2005-05-17 04:17:47 +00:00
<?xml version="1.0"?>
2005-05-17 03:40:35 +00:00
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
2005-05-11 14:56:50 +00:00
<!-- saved from url=(0063)file://I:\Wlzhang\MyDoc\postgresql\FAQcn.files\postgres - faq.htm -->
2005-05-17 04:17:47 +00:00
<!-- saved from url=(0046)http://laser.zhengmai.com.cn/postgres - faq.html -->
< html xmlns = "http://www.w3.org/1999/xhtml" >
< head >
< meta name = "generator" content =
"HTML Tidy for BSD/OS (vers 12 April 2005), see www.w3.org" />
< title > PostgreSQL FAQ-ch< / title >
< meta http-equiv = "Content-Type" content =
"text/html; CHARSET=gb2312" />
< meta content = "Microsoft FrontPage 4.0" name = "GENERATOR" / >
< / head >
< body alink = "#0000FF" bgcolor = "#FFFFFF" link = "#FF0000" text =
"#000000" vlink="#A00000">
< h1 > PostgreSQL <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ⣨FAQ<41> <51> < / h1 >
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> £<EFBFBD> 2003 <20> <> 01 <20> <> 06 <20> <> <20> <> <EFBFBD> <EFBFBD> һ
< p > Ŀǰά<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ա<EFBFBD> <EFBFBD> Bruce Momjian (< a href =
"mailto:pgman@candle.pha.pa.us">pgman@candle.pha.pa.us< / a > )< br / >
<EFBFBD> <EFBFBD> <EFBFBD> İ<EFBFBD> ά<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ա<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ΰƽ <20> <> laser@pgsqldb.com <20> <> < / p >
< p > <EFBFBD> <EFBFBD> <EFBFBD> ĵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> °汾<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < a href =
"http://www.postgresql.org/files/documentation/faqs/FAQ.html">http://www.postgresql.org/files/documentation/faqs/FAQ.html< / a >
<EFBFBD> 鿴<EFBFBD> <EFBFBD> < / p >
< p > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ϵͳƽ <EFBFBD> <EFBFBD> <EFBFBD> ص<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < a href =
"http://www.postgresql.org/docs/faq/">http://www.postgresql.org/docs/faq/< / a > <EFBFBD> <EFBFBD> <EFBFBD> ش<EFBFBD> <EFBFBD> <EFBFBD> < br / >
< / p >
< hr / >
< center >
< h2 > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / h2 >
< / center >
< a href = "#1.1" > 1.1< / a > ) PostgreSQL <20> <> ʲô<CAB2> <C3B4> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ô<EFBFBD> <C3B4> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < br / >
< a href = "#1.2" > 1.2< / a > ) PostgreSQL <20> İ<EFBFBD> Ȩ<EFBFBD> <C8A8> ʲô?< br / >
< a href = "#1.3" > 1.3< / a > ) PostgreSQL <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʲô Unix ƽ <C6BD> ϣ<EFBFBD> < br / >
< a href = "#1.4" > 1.4< / a > ) <20> <> <EFBFBD> õķ<C3B5> Unix ƽ <C6BD> <CCA8> <EFBFBD> <EFBFBD> Щ<EFBFBD> <D0A9> < br / >
< a href = "#1.5" > 1.5< / a > ) <20> Ҵ<EFBFBD> <D2B4> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ܵõ<DCB5> PostgreSQL<51> <4C> < br / >
< a href = "#1.6" > 1.6< / a > ) <20> Ҵ<EFBFBD> <D2B4> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ܵõ<DCB5> <C3B5> <EFBFBD> PostgreSQL <20> <> ֧<EFBFBD> ֣<EFBFBD> < br / >
< a href = "#1.7" > 1.7< / a > ) PostgreSQL <20> <> <EFBFBD> µİ汾<C4B0> <E6B1BE> ʲô<CAB2> <C3B4> < br / >
< a href = "#1.8" > 1.8< / a > ) <20> <> <EFBFBD> <EFBFBD> Щ<EFBFBD> <D0A9> <EFBFBD> õ<EFBFBD> PostgreSQL <20> <> <EFBFBD> ĵ<EFBFBD> <C4B5> <EFBFBD> < br / >
< a href = "#1.9" > 1.9< / a > ) <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ˽<EFBFBD> <CBBD> <EFBFBD> ֪<EFBFBD> <D6AA> BUG <20> <> ȱʧ<C8B1> <CAA7> <EFBFBD> <EFBFBD> <EFBFBD> ԣ<EFBFBD> < br / >
< a href = "#1.10" > 1.10< / a > ) <20> <> Ӧ<EFBFBD> <D3A6> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ѧϰ SQL <20> <> < br / >
< a href = "#1.11" > 1.11< / a > ) PostgreSQL <20> <> Y2K <20> <> <EFBFBD> ݵ<EFBFBD> <DDB5> <EFBFBD> <EFBFBD> <EFBFBD> < br / >
< a href = "#1.12" > 1.12< / a > ) <20> <> Ӧ<EFBFBD> <D3A6> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 뿪<EFBFBD> <EBBFAA> <EFBFBD> <EFBFBD> <EFBFBD> 飿< br / >
< a href = "#1.13" > 1.13< / a > ) <20> <> Ӧ<EFBFBD> <D3A6> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ύһ <E1BDBB> <D2BB> BUG <20> <> <EFBFBD> 棿< br / >
< a href = "#1.14" > 1.14< / a > ) PostgreSQL <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> DBMS <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Σ<EFBFBD> < br / >
< a href = "#1.15" > 1.15< / a > ) <20> <> Ӧ<EFBFBD> <D3A6> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> PostgreSQL <20> <>
< center >
< h2 > <EFBFBD> û<EFBFBD> <EFBFBD> ͻ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / h2 >
< / center >
< a href = "#2.1" > 2.1< / a > ) <20> <> PostgreSQL <20> <> ODBC <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ô<EFBFBD> <C3B4> < br / >
< a href = "#2.2" > 2.2< / a > ) <20> <> ʲô<CAB2> <C3B4> <EFBFBD> ߿<EFBFBD> <DFBF> <EFBFBD> PostgreSQL <20> <> <EFBFBD> <EFBFBD> Web
ҳ<EFBFBD> 棿< br / >
< a href = "#2.3" > 2.3< / a > ) PostgreSQL ӵ<> <D3B5> ͼ<EFBFBD> <CDBC> <EFBFBD> û<EFBFBD> <C3BB> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < br / >
< a href = "#2.4" > 2.4< / a > ) <20> <> <EFBFBD> ǿ<EFBFBD> <C7BF> <EFBFBD> <EFBFBD> <EFBFBD> ʲô<CAB2> <C3B4> <EFBFBD> Ժ<EFBFBD> PostgreSQL <20> <EFBFBD> <F2BDBBB5> <EFBFBD>
< center >
< h2 > ϵͳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / h2 >
< / center >
< a href = "#3.1" > 3.1< / a > ) <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ܰ<EFBFBD> PostgreSQL װ<> <D7B0> /usr/local/pgsql
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ĵط<EFBFBD> <EFBFBD> <EFBFBD> < br / >
< a href = "#3.2" > 3.2< / a > ) <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> postmaster ʱ<> <CAB1> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < i > Bad System
Call< / i > <EFBFBD> <EFBFBD> ϵͳ<EFBFBD> <EFBFBD> <EFBFBD> ô<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Core Dumped <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϊʲô<CAB2> <C3B4> < br / >
< a href = "#3.3" > 3.3< / a > ) <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͼ<EFBFBD> <CDBC> <EFBFBD> <EFBFBD> postmaster ʱ<> <CAB1> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
< i > IpcMemoryCreate< / i > <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϊʲô<CAB2> <C3B4> < br / >
< a href = "#3.4" > 3.4< / a > ) <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͼ<EFBFBD> <CDBC> <EFBFBD> <EFBFBD> postmaster ʱ<> <CAB1> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
< i > IpcSemaphoreCreate< / i > <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϊʲô<CAB2> <C3B4> < br / >
< a href = "#3.5" > 3.5< / a > ) <20> <> <EFBFBD> <EFBFBD> <EFBFBD> ο <EFBFBD> <CEBF> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ӣ<EFBFBD> < br / >
< a href = "#3.6" > 3.6< / a > )
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ի<EFBFBD> <EFBFBD> ø<EFBFBD> <EFBFBD> õ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ܣ<EFBFBD> < br / >
< a href = "#3.7" > 3.7< / a > ) PostgreSQL
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ի<EFBFBD> <EFBFBD> <EFBFBD> ʲô<EFBFBD> <EFBFBD> <EFBFBD> ĵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ԣ<EFBFBD> < br / >
< a href = "#3.8" > 3.8< / a > ) Ϊʲô<CAB2> <C3B4> <EFBFBD> <EFBFBD> ͼ<EFBFBD> <CDBC> <EFBFBD> ӵ<EFBFBD> ¼ʱ<C2BC> յ<EFBFBD> <D5B5> <EFBFBD> Sorry, too many
clients<EFBFBD> <EFBFBD> <20> <> Ϣ<EFBFBD> <CFA2> < br / >
< a href = "#3.9" > 3.9< / a > ) pgsql_tmp Ŀ¼<C4BF> ﶼ<EFBFBD> <EFB6BC> Щʲô<CAB2> <C3B4> < br / >
< a href = "#3.10" > 3.10< / a > ) ΪʲôҪ<C3B4> <D2AA> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> PostgreSQL <20> <> <EFBFBD> <EFBFBD> <EFBFBD> 汾ʱ<E6B1BE> <CAB1>
dump <20> <> restore <20> <>
< center >
< h2 > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / h2 >
< / center >
< a href = "#4.1" > 4.1< / a > )
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> α <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͨ<EFBFBD> α <EFBFBD> ֮<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʲô<EFBFBD> <EFBFBD> < br / >
< a href = "#4.2" > 4.2< / a > ) <20> <> <EFBFBD> <EFBFBD> ֻѡ <D6BB> <D1A1> һ <EFBFBD> <D2BB> <EFBFBD> <EFBFBD> ѯ<EFBFBD> <D1AF> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͷ<EFBFBD> <CDB7> <EFBFBD> У <EFBFBD> < br / >
< a href = "#4.3" > 4.3< / a > )
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> λ<EFBFBD> ȡһ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݿ<EFBFBD> <EFBFBD> б <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> б <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < i > psql< / i >
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ķ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < br / >
< a href = "#4.4" > 4.4< / a > ) <20> <> <EFBFBD> <EFBFBD> <EFBFBD> ӱ<EFBFBD> <D3B1> <EFBFBD> <EFBFBD> <EFBFBD> ɾ<EFBFBD> <C9BE> һ <EFBFBD> У <EFBFBD> < br / >
< a href = "#4.5" > 4.5< / a > )
һ <EFBFBD> У <EFBFBD> һ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ߴ <EFBFBD> <EFBFBD> Ƕ<EFBFBD> <EFBFBD> ٣<EFBFBD> < br / >
< a href = "#4.6" > 4.6< / a > )
<EFBFBD> 洢һ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͵<EFBFBD> <EFBFBD> ı <EFBFBD> <EFBFBD> ļ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҫ<EFBFBD> <EFBFBD> <EFBFBD> ٴ<EFBFBD> <EFBFBD> ̿ռ < br / >
< a href = "#4.7" > 4.7< / a > )
<EFBFBD> <EFBFBD> <EFBFBD> β鿴<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݿ<EFBFBD> <EFBFBD> Լ<EFBFBD> <EFBFBD> û<EFBFBD> <EFBFBD> Ķ<EFBFBD> <EFBFBD> 壿< br / >
< a href = "#4.8" > 4.8< / a > )
<EFBFBD> ҵIJ<EFBFBD> ѯ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> û<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϊʲô<EFBFBD> <EFBFBD> < br / >
< a href = "#4.9" > 4.9< / a > )
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> β<EFBFBD> <EFBFBD> ܿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ѯ<EFBFBD> Ż<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ҵIJ<EFBFBD> ѯ<EFBFBD> ģ<EFBFBD> < br / >
< a href = "#4.10" > 4.10< / a > ) R-tree <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʲô<CAB2> <C3B4> < br / >
< a href = "#4.11" > 4.11< / a > ) ʲô<CAB2> ǻ<EFBFBD> <C7BB> <EFBFBD> <EFBFBD> <EFBFBD> ѯ<EFBFBD> Ż<EFBFBD> <C5BB> <EFBFBD> Genetic Query
Optimization<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < br / >
< a href = "#4.12" > 4.12< / a > )
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʽ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ <EFBFBD> С <EFBFBD> ص<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʽ <EFBFBD> <EFBFBD> <EFBFBD> ң<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> д<EFBFBD> С <EFBFBD> ز<EFBFBD> <EFBFBD> ң<EFBFBD> < br / >
< a href = "#4.13" > 4.13< / a > ) <20> <> һ <EFBFBD> <D2BB> <EFBFBD> <EFBFBD> ѯ<EFBFBD> <EFBFBD> <EFA3AC> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ <EFBFBD> <D2BB> <EFBFBD> ֶ<EFBFBD> <D6B6> Ƿ<EFBFBD> Ϊ
NULL<EFBFBD> <EFBFBD> < br / >
< a href = "#4.14" > 4.14< / a > ) <20> <> <EFBFBD> <EFBFBD> <EFBFBD> ַ<EFBFBD> <D6B7> <EFBFBD> <EFBFBD> <EFBFBD> ֮<EFBFBD> <D6AE> <EFBFBD> <EFBFBD> ʲô<CAB2> <C3B4> ͬ<EFBFBD> <CDAC> < br / >
< a href = "#4.15.1" > 4.15.1< / a > )
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> к<EFBFBD> /<2F> Զ<EFBFBD> <D4B6> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֶΣ<D6B6> < br / >
< a href = "#4.15.2" > 4.15.2< / a > )
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> λ<EFBFBD> <EFBFBD> <EFBFBD> һ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> кŵ<EFBFBD> ֵ<EFBFBD> <EFBFBD> < br / >
< a href = "#4.15.3" > 4.15.3< / a > ) ʹ <> <CAB9> currval() <20> <> nextval()
<EFBFBD> ᵼ<EFBFBD> º<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> û<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> race condition<6F> <6E> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < br / >
< a href = "#4.15.4" > 4.15.4< / a > )
Ϊʲô<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 쳣<EFBFBD> <EFBFBD> ֹ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> к<EFBFBD> <EFBFBD> أ<EFBFBD> Ϊʲô<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> к<EFBFBD> <EFBFBD> ֶε<EFBFBD> ȡֵ<EFBFBD> д<EFBFBD> <EFBFBD> ڼ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> أ<EFBFBD> < br / >
< a href = "#4.16" > 4.16< / a > ) ʲô<CAB2> <C3B4> OID<49> <44> ʲô<CAB2> <C3B4> TID <20> <> < br / >
< a href = "#4.17" > 4.17< / a > ) PostgreSQL
ʹ <EFBFBD> õ<EFBFBD> һ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ĺ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʲô<EFBFBD> <EFBFBD> < br / >
< a href = "#4.18" > 4.18< / a > ) Ϊʲô<CAB2> <C3B4> <EFBFBD> յ<EFBFBD> <D5B5> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < i > ERROR: Memory
exhausted in AllocSetAlloc()< / i > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < br / >
< a href = "#4.19" > 4.19< / a > ) <20> <> <EFBFBD> <EFBFBD> <EFBFBD> β<EFBFBD> <CEB2> <EFBFBD> ֪<EFBFBD> <D6AA> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> е <EFBFBD> PostgreSQL
<EFBFBD> İ汾<EFBFBD> <EFBFBD> < br / >
< a href = "#4.20" > 4.20< / a > ) Ϊʲô<CAB2> ҵĴ<D2B5> <C4B4> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ´ <EFBFBD> <C2B4> <EFBFBD> <EFBFBD> <EFBFBD> < i > invalid
large obj descriptor<6F> <72> <EFBFBD> <EFBFBD> <EFBFBD> Ƿ<EFBFBD> <C7B7> Ĵ<EFBFBD> <C4B4> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / i > <EFBFBD> <EFBFBD> < br / >
< a href = "#4.21" > 4.21< / a > )
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> δ<EFBFBD> <EFBFBD> <EFBFBD> һ <EFBFBD> <EFBFBD> ȱʡֵ<EFBFBD> ǵ<EFBFBD> ǰʱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֶΣ<EFBFBD> < br / >
< a href = "#4.22" > 4.22< / a > ) Ϊʲôʹ <C3B4> <CAB9> < tt > IN< / tt >
<EFBFBD> <EFBFBD> <EFBFBD> Ӳ<EFBFBD> ѯ<EFBFBD> <EFBFBD> ô<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < br / >
< a href = "#4.23" > 4.23< / a > ) <20> <> <EFBFBD> ν <EFBFBD> <CEBD> <EFBFBD> outer join <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ӣ<EFBFBD> <D3A3> <EFBFBD> < br / >
< a href = "#4.24" > 4.24< / a > ) <20> <> <EFBFBD> <EFBFBD> ʹ <EFBFBD> <CAB9> <EFBFBD> 漰<EFBFBD> <E6BCB0> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݿ<EFBFBD> <DDBF> IJ<EFBFBD> ѯ<EFBFBD> <D1AF> < br / >
< a href = "#4.25" > 4.25< / a > ) <20> <> <EFBFBD> <EFBFBD> <EFBFBD> ú<EFBFBD> <C3BA> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ض<EFBFBD> <D8B6> л<EFBFBD> <D0BB> <EFBFBD> <EFBFBD> У <EFBFBD> < br / >
< a href = "#4.26" > 4.26< / a > ) Ϊʲô<CAB2> <C3B4> PL/PgSQL
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> в<EFBFBD> <EFBFBD> ܿɿ<EFBFBD> <EFBFBD> ش<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ɾ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < br / >
< a href = "#4.27" > 4.27< / a > ) <20> <> <EFBFBD> <EFBFBD> Щ<EFBFBD> <D0A9> <EFBFBD> ݸ<EFBFBD> <DDB8> <EFBFBD> ѡ <EFBFBD> < br / >
< a href = "#4.28" > 4.28< / a > ) <20> <> <EFBFBD> <EFBFBD> Щ<EFBFBD> <D0A9> <EFBFBD> ݼ<EFBFBD> <DDBC> <EFBFBD> ѡ <EFBFBD>
< center >
< h2 > <EFBFBD> <EFBFBD> չ PostgreSQL< / h2 >
< / center >
< a href = "#5.1" > 5.1< / a > ) <20> <> д<EFBFBD> <D0B4> һ <EFBFBD> <D2BB> <EFBFBD> û<EFBFBD> <C3BB> <EFBFBD> <EFBFBD> 庯<EFBFBD> <E5BAAF> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < i > psql< / i >
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʱ<EFBFBD> <EFBFBD> Ϊʲô<EFBFBD> ᵼ<EFBFBD> <EFBFBD> core dump<6D> <70> < br / >
< a href = "#5.2" > 5.2< / a > ) <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ܸ<EFBFBD> PostgreSQL
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͺ ͺ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < br / >
< a href = "#5.3" > 5.3< / a > ) <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> дһ <D0B4> <D2BB> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ <EFBFBD> <D2BB> <EFBFBD> <EFBFBD> ¼<EFBFBD> <C2BC> C <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < br / >
< a href = "#5.4" > 5.4< / a > )
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ <EFBFBD> <EFBFBD> Դ<EFBFBD> ļ<EFBFBD> <EFBFBD> <EFBFBD> Ϊʲô<EFBFBD> <EFBFBD> <EFBFBD> ±<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> û<EFBFBD> п<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ı < br / >
< hr / >
< center >
< h2 > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / h2 >
< / center >
< h4 > < a name = "1.1" > < / a > 1.1) PostgreSQL <20> <> ʲô<CAB2> <C3B4> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ô<EFBFBD> <C3B4> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / h4 >
PostgreSQL <20> <> <EFBFBD> <EFBFBD> < i > Post-Gres-Q-L< / i > < i > <EFBFBD> <EFBFBD> < / i >
< p > PostgreSQL <20> <> <EFBFBD> <EFBFBD> һ <EFBFBD> <D2BB> DBMS <20> <> <EFBFBD> о <EFBFBD> ԭ<EFBFBD> <D4AD> POSTGRES
<EFBFBD> <EFBFBD> <EFBFBD> ݿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ϵͳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ǿ<EFBFBD> 档PostgreSQL <20> ڱ<EFBFBD> <DAB1> <EFBFBD> POSTGRES
<EFBFBD> <EFBFBD> ǿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ģ<EFBFBD> ͺ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͵Ļ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ϣ<EFBFBD> <EFBFBD> <EFBFBD> һ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> չ<EFBFBD> ˵<EFBFBD> SQL
<EFBFBD> Ӽ<EFBFBD> ȡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ԭ<EFBFBD> ȵ<EFBFBD> PostQuel <20> <> ѯ<EFBFBD> <D1AF> <EFBFBD> ԡ<EFBFBD> PostgreSQL
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ɵIJ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Դ<EFBFBD> <EFBFBD> <EFBFBD> 붼<EFBFBD> <EFBFBD> <EFBFBD> Ի<EFBFBD> <EFBFBD> á<EFBFBD> < / p >
< p > PostgreSQL <20> Ŀ<EFBFBD> <C4BF> <EFBFBD> <EFBFBD> ɲμ<C9B2> PostgreSQL
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʼ <EFBFBD> <EFBFBD> б <EFBFBD> <EFBFBD> <EFBFBD> һ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ԱС <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> С <EFBFBD> Ŀǰ<EFBFBD> <EFBFBD> Э<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Marc G. Fournier
<EFBFBD> <EFBFBD> < a href =
"mailto:scrappy@postgreSQL.org">scrappy@postgreSQL.org< / a >
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> μ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> μ<EFBFBD> 1.6<EFBFBD> ڣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڸ<EFBFBD> <EFBFBD> <EFBFBD> PostgreSQL
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> п<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / p >
< p > PostgreSQL 1.01 <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Andrew Yu <20> <> Jolly
Chen<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϊ<EFBFBD> <EFBFBD> ֲ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ԣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ժ<EFBFBD> <EFBFBD> <EFBFBD> ǿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ˴ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ס <EFBFBD> PostgreSQL
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Դ Postgres<65> <73> <EFBFBD> <EFBFBD> <EFBFBD> ڼ<EFBFBD> <DABC> ݴ<EFBFBD> ѧ<EFBFBD> <D1A7> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> У <EFBFBD> <D0A3> Michael Stonebraker
<EFBFBD> <EFBFBD> <EFBFBD> ڵ<EFBFBD> ָ<EFBFBD> <EFBFBD> <EFBFBD> £<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> о <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͱ<EFBFBD> <EFBFBD> <EFBFBD> ְԱ<EFBFBD> <EFBFBD> <EFBFBD> ɵġ<EFBFBD> < / p >
< p > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڲ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Postgres<65> <73> <EFBFBD> <EFBFBD> 1995 <20> ꣬<EFBFBD> <EAA3AC> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> SQL
<EFBFBD> <EFBFBD> <EFBFBD> ܺ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ָij<EFBFBD> Postgres95<39> <35> <EFBFBD> <EFBFBD> 1996<39> <36> ĩ<EFBFBD> <C4A9> <EFBFBD> Ÿ<EFBFBD> <C5B8> <EFBFBD> Ϊ
PostgreSQL<EFBFBD> <EFBFBD> < / p >
< h4 > < a name = "1.2" > < / a > 1.2) PostgreSQL <20> İ<EFBFBD> Ȩ<EFBFBD> <C8A8> ʲô?< / h4 >
PostgreSQL <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> İ<EFBFBD> ȨԼ<C8A8> <D4BC> <EFBFBD> <EFBFBD>
< p > PostgreSQL <20> <> <EFBFBD> ݿ<EFBFBD> <DDBF> <EFBFBD> <EFBFBD> <EFBFBD> ϵͳ< / p >
< p > <EFBFBD> <EFBFBD> PostgreSQL Data Base Management System<65> <6D> < / p >
< p > <EFBFBD> <EFBFBD> <EFBFBD> ְ<EFBFBD> Ȩ<EFBFBD> <EFBFBD> c<EFBFBD> <EFBFBD> 1996-2002<30> <32> PostgreSQL ȫ<> <EFBFBD> С <EFBFBD> <D0A1> < br / >
<EFBFBD> <EFBFBD> <EFBFBD> ְ<EFBFBD> Ȩ<EFBFBD> <EFBFBD> c<EFBFBD> <EFBFBD> 1994-6 <20> <> <EFBFBD> ݴ<EFBFBD> ѧ<EFBFBD> <D1A7> <EFBFBD> <EFBFBD> < / p >
< p > <EFBFBD> <EFBFBD> Portions copyright (c) 1996-2002, PostgreSQL Global
Development Group< br / >
Portions Copyright (c) 1994-6 Regents of the University of
California<EFBFBD> <EFBFBD> < / p >
< p >
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϊ<EFBFBD> κ<EFBFBD> Ŀ<EFBFBD> <EFBFBD> ʹ <EFBFBD> ã<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ĺͷַ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ĵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ȡ<EFBFBD> κη<EFBFBD> <EFBFBD> ã<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ǩ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ˶<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֤<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ǰ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> İ<EFBFBD> Ȩ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Լ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> п<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> С <EFBFBD> < / p >
< p > <EFBFBD> <EFBFBD> Permission to use, copy, modify, and distribute this software
and its documentation for any purpose, without fee, and without a
written agreement is hereby granted, provided that the above
copyright notice and this paragraph and the following two
paragraphs appear in all copies.<2E> <> < / p >
< p >
<EFBFBD> <EFBFBD> <EFBFBD> κ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> £<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݴ<EFBFBD> ѧ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> е <EFBFBD> <EFBFBD> <EFBFBD> ʹ <EFBFBD> ô<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ĵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> µĶ<EFBFBD> <EFBFBD> κε<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ˵<EFBFBD> ֱ<EFBFBD> ӵģ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ӵģ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ģ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ӵĻ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʧ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Σ<EFBFBD> <EFBFBD> <EFBFBD> ʹ <EFBFBD> <EFBFBD> <EFBFBD> ݴ<EFBFBD> ѧ<EFBFBD> Ѿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Щ<EFBFBD> <EFBFBD> ʧ<EFBFBD> Ŀ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʱҲ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ˡ<EFBFBD> < / p >
< p > <EFBFBD> <EFBFBD> IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO
ANY PARTY FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR
CONSEQUENTIAL DAMAGES, INCLUDING LOST PROFITS, ARISING OUT OF THE
USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE UNIVERSITY
OF CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
DAMAGE.<2E> <> < / p >
< p >
<EFBFBD> <EFBFBD> <EFBFBD> ݴ<EFBFBD> ѧ<EFBFBD> <EFBFBD> ȷ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> κα <EFBFBD> ֤<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ijһ <EFBFBD> ض<EFBFBD> <EFBFBD> <EFBFBD> ; <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ҵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֤<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ṩ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ǻ<EFBFBD> <EFBFBD> ڡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ǡ<EFBFBD> <EFBFBD> Ļ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ģ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݴ<EFBFBD> ѧû<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ṩά<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֧<EFBFBD> ֣<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> £<EFBFBD> <EFBFBD> <EFBFBD> ǿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ĵķ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / p >
< p > <EFBFBD> <EFBFBD> THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY
WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE
SOFTWARE PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND THE
UNIVERSITY OF CALIFORNIA HAS NO OBLIGATIONS TO PROVIDE MAINTENANCE,
SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.<2E> <> < br / >
< br / >
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> BSD
<EFBFBD> <EFBFBD> Ȩ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ŀ<EFBFBD> Դ<EFBFBD> <EFBFBD> Ȩ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Դ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ <EFBFBD> <EFBFBD> δ<EFBFBD> <EFBFBD> <EFBFBD> κ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ơ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ϲ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ı <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / p >
< h4 > < a name = "1.3" > < / a > 1.3) PostgreSQL <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʲô Unix ƽ <C6BD> ϣ<EFBFBD> < / h4 >
< p > һ <EFBFBD> <EFBFBD> ˵<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ <EFBFBD> <EFBFBD> <EFBFBD> ִ<EFBFBD> <EFBFBD> <EFBFBD> UNIX <20> <> <EFBFBD> ݵ<EFBFBD> ƽ <C6BD> <CCA8> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> PostgreSQL
<EFBFBD> <EFBFBD> <EFBFBD> ڰ<EFBFBD> װָ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> г <EFBFBD> <EFBFBD> ˷<EFBFBD> <EFBFBD> <EFBFBD> ʱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ȷ<EFBFBD> <EFBFBD> <EFBFBD> Ե<EFBFBD> ƽ <EFBFBD> <EFBFBD> < / p >
< h4 > < a name = "1.4" > < / a > 1.4) <20> <> <EFBFBD> õķ<C3B5> Unix ƽ <C6BD> <CCA8> <EFBFBD> <EFBFBD> Щ<EFBFBD> <D0A9> < / h4 >
<EFBFBD> ͻ<EFBFBD> <EFBFBD> <EFBFBD>
< p > <EFBFBD> <EFBFBD> libpq C <20> ⣬psql<71> <6C> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ӿںͿ <CDBF> <CDBB> <EFBFBD> Ӧ<EFBFBD> ó<EFBFBD> <C3B3> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ɿ<EFBFBD> <C9BF> <EFBFBD> <EFBFBD> <EFBFBD> MS
Windows ƽ <C6BD> <CCA8> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ǿ<EFBFBD> <C7BF> ܵġ<DCB5> <C4A1> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> £<EFBFBD> <C2A3> ͻ<EFBFBD> <CDBB> <EFBFBD> <EFBFBD> <EFBFBD> MS Windows
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> У <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͨ<EFBFBD> <EFBFBD> TCP/IP <20> <> һ <EFBFBD> <D2BB> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֧<EFBFBD> ֵ<EFBFBD> Unix
ƽ <EFBFBD> ϵķ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͨѶ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 汾<EFBFBD> а <EFBFBD> <EFBFBD> <EFBFBD> һ <EFBFBD> <EFBFBD> <EFBFBD> ļ<EFBFBD> win32.mak <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
Win32 libpq <20> <> <EFBFBD> <EFBFBD> psql <20> <> PostgreSQL Ҳ<> <D2B2> <EFBFBD> Ժ<EFBFBD> ODBC <20> ͻ<EFBFBD> <CDBB> <EFBFBD> ͨѶ<CDA8> <D1B6> < / p >
< p > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / p >
< p > <EFBFBD> <EFBFBD> <EFBFBD> ݿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڿ<EFBFBD> <EFBFBD> <EFBFBD> ͨ<EFBFBD> <EFBFBD> Cygwin <20> <> Cygnus <20> <> Unix/NT <20> <> ֲ<EFBFBD> <D6B2> <EFBFBD> <EFBFBD>
Windows NT <20> <> Win2k <20> <> <EFBFBD> <EFBFBD> <EFBFBD> С <EFBFBD> <D0A1> <EFBFBD> <EFBFBD> ķ<EFBFBD> <C4B7> <EFBFBD> <EFBFBD> 汾<EFBFBD> <E6B1BE> <EFBFBD> <EFBFBD> See
< i > pgsql/doc/FAQ_MSWIN< / i > <20> ļ<EFBFBD> <C4BC> <EFBFBD> < a href =
"http://www.PostgreSQL.org/docs/faq-mswin.html">http://www.PostgreSQL.org/docs/faq-mswin.html< / a >
<EFBFBD> <EFBFBD> < / p >
< p > <EFBFBD> <EFBFBD> ֲ<EFBFBD> <EFBFBD> MS Win NT/2000/XP <20> ı <EFBFBD> <C4B1> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ĺ<EFBFBD> <C4B9> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڽ<EFBFBD> <DABD> С <EFBFBD> < / p >
< h4 > < a name = "1.5" > < / a > 1.5) <20> Ҵ<EFBFBD> <D2B4> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ܵõ<DCB5> PostgreSQL<51> <4C> < / h4 >
< p > PostgreSQL <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> FTPվ<50> <D5BE> <EFBFBD> <EFBFBD> < a href =
"ftp://ftp.PostgreSQL.org/pub">ftp://ftp.PostgreSQL.org/pub< / a > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> վ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Բο <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> վ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ҳ<EFBFBD> <EFBFBD> < / p >
< h4 > < a name = "1.6" > < / a > 1.6) <20> Ҵ<EFBFBD> <D2B4> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ܵõ<DCB5> <C3B5> <EFBFBD> PostgreSQL
<EFBFBD> <EFBFBD> ֧<EFBFBD> ֣<EFBFBD> < / h4 >
< p > <EFBFBD> <EFBFBD> Ҫ<EFBFBD> <EFBFBD> <EFBFBD> ʼ <EFBFBD> <EFBFBD> б <EFBFBD> <EFBFBD> ǣ<EFBFBD> < a href =
"mailto:pgsql-general@postgreSQL.org">pgsql-general@postgreSQL.org< / a > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> й<EFBFBD>
PostgreSQL <20> <> <EFBFBD> <EFBFBD> <EFBFBD> ⡣Ҫ<E2A1A3> <D2AA> <EFBFBD> <EFBFBD> <EFBFBD> б <EFBFBD> <D0B1> <EFBFBD> <EFBFBD> <EFBFBD> һ <EFBFBD> <D2BB> <EFBFBD> ʼ <EFBFBD> <CABC> <EFBFBD> <EFBFBD> ݣ<EFBFBD> <DDA3> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> У <EFBFBD> Ϊ< / p >
< pre >
subscribe
end
< / pre >
<EFBFBD> <EFBFBD> <EFBFBD> ʼ <EFBFBD> <EFBFBD> <EFBFBD> < a href =
"mailto:pgsql-general-request@postgreSQL.org">pgsql-general-request@postgreSQL.org< / a >
<EFBFBD> <EFBFBD>
< p > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ի<EFBFBD> ȡժҪ<EFBFBD> б <EFBFBD> <EFBFBD> <EFBFBD> Ҫ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> б <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʼ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < a href =
"mailto:pgsql-general-digest-request@postgreSQL.org">pgsql-general-digest-request@postgreSQL.org< / a > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϊ<EFBFBD> <EFBFBD> < / p >
< pre >
subscribe
end
< / pre >
ÿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> б <EFBFBD> <EFBFBD> ﵽ<EFBFBD> <EFBFBD> Լ 30k <20> <> <EFBFBD> <EFBFBD> Ϣ<EFBFBD> <CFA2> <EFBFBD> <EFBFBD> ʱ<EFBFBD> <CAB1> ժҪ<D5AA> ͷ<EFBFBD> <CDB7> <EFBFBD> <CDB8> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> б <EFBFBD> <D0B1> ij<EFBFBD> Ա<EFBFBD> <D4B1>
< p > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Բμӳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʼ <EFBFBD> <EFBFBD> б <EFBFBD> <EFBFBD> <EFBFBD> Ҫ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> б <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ <EFBFBD> <EFBFBD> <EFBFBD> ʼ <EFBFBD> <EFBFBD> <EFBFBD> < a href =
"mailto:bugs-request@postgreSQL.org">bugs-request@postgreSQL.org< / a > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϊ<EFBFBD> <EFBFBD> < / p >
< pre >
subscribe
end
< / pre >
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Բμӿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ա<EFBFBD> ʼ <EFBFBD> <EFBFBD> б <EFBFBD> <EFBFBD> <EFBFBD> Ҫ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> б <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ <EFBFBD> <EFBFBD> <EFBFBD> ʼ <EFBFBD> <EFBFBD> <EFBFBD> < a href =
"mailto:hackers-request@postgreSQL.org">hackers-request@postgreSQL.org< / a > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϊ<EFBFBD> <EFBFBD>
< pre >
subscribe
end
< / pre >
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ĺ<EFBFBD> <EFBFBD> <EFBFBD> PostgreSQL <20> ʼ <EFBFBD> <CABC> б <EFBFBD> <D0B1> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϣ<EFBFBD> <CFA2> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> PostgreSQL <20> <> WWW
<EFBFBD> <EFBFBD> ҳ<EFBFBD> ҵ<EFBFBD> <EFBFBD> <EFBFBD>
< blockquote > < a href =
"http://postgresql.org/">http://postgresql.org/< / a > < / blockquote >
<EFBFBD> <EFBFBD> EFNet <20> ﻹ<EFBFBD> <EFBBB9> һ <EFBFBD> <D2BB> IRC Ƶ<> <C6B5> <EFBFBD> <EFBFBD> Ƶ<EFBFBD> <C6B5> #PostgreSQL<51> <4C> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> unix
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < tt > irc -c '#PostgreSQL' "$USER" irc.phoenix.net< / tt >
< p > <EFBFBD> <EFBFBD> ҵ֧<EFBFBD> ֹ<EFBFBD> ˾<EFBFBD> <EFBFBD> <EFBFBD> б <EFBFBD> <EFBFBD> <EFBFBD> < a href =
"http://www.PostgreSQL.org/users-lounge/commercial-support.html">http://www.PostgreSQL.org/users-lounge/commercial-support.html< / a >
<EFBFBD> <EFBFBD> < / p >
< h4 > < a name = "1.7" > < / a > 1.7) PostgreSQL <20> <> <EFBFBD> µİ汾<C4B0> <E6B1BE> ʲô<CAB2> <C3B4> < / h4 >
PostgreSQL <20> <> <EFBFBD> µİ汾<C4B0> ǰ汾 7.2.3<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ע<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ӧ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 7.3.1 <20> ˡ<EFBFBD> <CBA1> <EFBFBD>
< p > <EFBFBD> <EFBFBD> <EFBFBD> Ǽƻ<EFBFBD> ÿ<EFBFBD> ĸ<EFBFBD> <EFBFBD> ·<EFBFBD> <EFBFBD> <EFBFBD> һ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҫ<EFBFBD> 汾<EFBFBD> <EFBFBD> < / p >
< h4 > < a name = "1.8" > < / a > 1.8) <20> <> <EFBFBD> <EFBFBD> Щ<EFBFBD> <D0A9> <EFBFBD> õ<EFBFBD> PostgreSQL <20> <> <EFBFBD> ĵ<EFBFBD> <C4B5> <EFBFBD> < / h4 >
<EFBFBD> ڷ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ <EFBFBD> ֲᣬ<EFBFBD> ֲ<EFBFBD> ҳ<EFBFBD> <EFBFBD> һ С <EFBFBD> IJ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ӡ<EFBFBD> <EFBFBD> μ<EFBFBD> /doc
Ŀ¼<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ע<EFBFBD> <EFBFBD> ӦΪ $PGHOME/doc<6F> <63> <EFBFBD> <EFBFBD> <EFBFBD> 㻹<EFBFBD> <E3BBB9> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> PostgreSQL
<EFBFBD> <EFBFBD> <EFBFBD> ֲᣬ<EFBFBD> <EFBFBD> < a href =
"http://www.PostgreSQL.org/users-lounge/docs/">http://www.PostgreSQL.org/users-lounge/docs/< / a >
<EFBFBD> <EFBFBD>
< p > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> PostgreSQL <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ṩ<EFBFBD> <E1B9A9> <EFBFBD> <EFBFBD> < a href =
"http://www.PostgreSQL.org/docs/awbook.html">http://www.PostgreSQL.org/docs/awbook.html< / a >
<EFBFBD> <EFBFBD> < a href =
"http://www.commandprompt.com/ppbook/">http://www.commandprompt.com/ppbook/< / a >
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < a href =
"http://www.ca.PostgreSQL.org/books/">http://www.ca.PostgreSQL.org/books/< / a >
<EFBFBD> <EFBFBD> <EFBFBD> й<EFBFBD> <EFBFBD> <EFBFBD> PostgreSQL <20> Ŀɹ<C4BF> <C9B9> 鼮<EFBFBD> <E9BCAE> <EFBFBD> б <EFBFBD> <D0B1> <EFBFBD> <EFBFBD> <EFBFBD> < a href =
"http://techdocs.PostgreSQL.org/">http://techdocs.PostgreSQL.org/< / a >
<EFBFBD> <EFBFBD> <EFBFBD> ռ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> й<EFBFBD> PostgreSQL <20> ļ<EFBFBD> <C4BC> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ¡<EFBFBD> < / p >
< p > < i > psql< / i > <20> <> һ <D2BB> <D0A9> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> \d
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʾ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ۼ<EFBFBD> <EFBFBD> ȵ<EFBFBD> <EFBFBD> <EFBFBD> Ϣ<EFBFBD> <EFBFBD> < / p >
< p > <EFBFBD> <EFBFBD> <EFBFBD> ǵ<EFBFBD> web վ<> <D5BE> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ĵ<EFBFBD> <C4B5> <EFBFBD> < / p >
< h4 > < a name = "1.9" > < / a > 1.9) <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ˽<EFBFBD> <CBBD> <EFBFBD> ֪<EFBFBD> <D6AA> BUG <20> <> ȱʧ<C8B1> <CAA7> <EFBFBD> <EFBFBD> <EFBFBD> ԣ<EFBFBD> < / h4 >
PostgreSQL ֧<> <D6A7> һ <EFBFBD> <D2BB> <EFBFBD> <EFBFBD> չ<EFBFBD> ˵<EFBFBD> SQL-92 <20> <> <EFBFBD> Ӽ<EFBFBD> <D3BC> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ǵ<EFBFBD> < a href =
"http://www.postgresql.org/docs/todo.html">TODO< / a > < a href =
"http://www.postgresql.org/docs/todo.html">< / a > <EFBFBD> б <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ȡһ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֪<EFBFBD> <EFBFBD> <EFBFBD> 棬ȱʧ<EFBFBD> <EFBFBD> <EFBFBD> Ժ<EFBFBD> δ<EFBFBD> <EFBFBD> <EFBFBD> ƻ<EFBFBD> <EFBFBD> <EFBFBD>
< h4 > < a name = "1.10" > < / a > 1.10) <20> <> Ӧ<EFBFBD> <D3A6> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ѧϰ SQL<51> <4C> < / h4 >
<EFBFBD> <EFBFBD> < a href =
"http://www.postgresql.org/docs/awbook.html">http://www.postgresql.org/docs/awbook.html< / a >
<EFBFBD> Ĺ<EFBFBD> <EFBFBD> <EFBFBD> PostgreSQL <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> SQL<51> <4C> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ע<EFBFBD> <D7A2> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ص<EFBFBD> <D8B5> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ˡ<EFBFBD> <CBA1> <EFBFBD> <EFBFBD> <EFBFBD>
< a href =
"http://www.commandprompt.com/ppbook/">http://www.commandprompt.com/ppbook< / a >
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> PostgreSQL <20> <> <EFBFBD> 顣<EFBFBD> <E9A1A3> < a href =
"http://www.intermedia.net/support/sql/sqltut.shtm">http://www.intermedia.net/support/sql/sqltut.shtm< / a > <EFBFBD> <EFBFBD> < a href = "http://ourworld.compuserve.com/homepages/graeme_birchall/HTM_COOK.HTM" > http://ourworld.compuserve.com/homepages/graeme_birchall/HTM_COOK.HTM
< / a > <20> <> < a href = "http://sqlcourse.com/" > http://sqlcourse.com< / a >
<EFBFBD> <EFBFBD> һ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ž̡̳<EFBFBD>
< p > <EFBFBD> <EFBFBD> һ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> "Teach Yourself SQL in 21 Days, Second
Edition"<22> <> 21<32> <31> ѧ<EFBFBD> <D1A7> SQL<51> <4C> <EFBFBD> ڶ<EFBFBD> <DAB6> 棩<EFBFBD> <E6A3A9> <EFBFBD> <EFBFBD> < a href =
"http://members.tripod.com/er4ebus/sql/index.htm">http://members.tripod.com/er4ebus/sql/index.htm< / a > < / p >
< p > <EFBFBD> <EFBFBD> <EFBFBD> ǵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> û<EFBFBD> ϲ <EFBFBD> <EFBFBD> < i > The Practical SQL Handbook, Bowman, Judith
S., et al., Addison-Wesley <20> <> < / i > <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < i > The Complete
Reference SQL, Groff et al., McGraw-Hill <20> <> < / i > < / p >
< h4 > < a name = "1.11" > < / a > 1.11) PostgreSQL <20> <> Y2K <20> <> <EFBFBD> ݵ<EFBFBD> <DDB5> <EFBFBD> <EFBFBD> <EFBFBD> < / h4 >
<EFBFBD> ǣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ǻ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 2000 AD ֮<> <D6AE> <EFBFBD> <EFBFBD> 2000 BC ֮ǰ<D6AE> <C7B0> <EFBFBD> <EFBFBD> <EFBFBD> ڡ<EFBFBD>
< h4 > < a name = "1.12" > < / a > 1.12) <20> <> Ӧ<EFBFBD> <D3A6> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 뿪<EFBFBD> <EBBFAA> <EFBFBD> <EFBFBD> <EFBFBD> 飿< / h4 >
<EFBFBD> <EFBFBD> <EFBFBD> ȣ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> µ<EFBFBD> Դ<EFBFBD> <EFBFBD> <EFBFBD> 벢<EFBFBD> Ķ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> web վ<> <D5BE> <EFBFBD> <EFBFBD> <F2B7A2B2> <EFBFBD> <EFBFBD> е <EFBFBD> PostgreSQL
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ĵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Σ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> pgsql-hackers <20> <> pgsql-patches
<EFBFBD> ʼ <EFBFBD> <EFBFBD> б <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> pgsql-patches <20> ύ<EFBFBD> <E1BDBB> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> IJ<EFBFBD> <C4B2> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
< p > <EFBFBD> <EFBFBD> <EFBFBD> ڴ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʮ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> PostgreSQL CVS <20> 鵵 < font size =
"-1">COMMIT< / font >
<EFBFBD> <EFBFBD> Ȩ<EFBFBD> ޡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ƕ<EFBFBD> <EFBFBD> Ѿ<EFBFBD> <EFBFBD> ύ<EFBFBD> ˷dz<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> IJ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ˣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> е <EFBFBD> <EFBFBD> ύ<EFBFBD> ˺<EFBFBD> <EFBFBD> Ѹ<EFBFBD> <EFBFBD> Ͻ<EFBFBD> <EFBFBD> ࣬<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ύ<EFBFBD> IJ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ǹ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ġ<EFBFBD> < / p >
< h4 > < a name = "1.13" > < / a > 1.13) <20> <> Ӧ<EFBFBD> <D3A6> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ύһ <E1BDBB> <D2BB> BUG<55> <47> <EFBFBD> 棿< / h4 >
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < a href =
"http://www.PostgreSQL.org/bugs/bugs.php">http://www.PostgreSQL.org/bugs/bugs.php< / a >
<EFBFBD> <EFBFBD> PostgreSQL BugTool ҳ<> <D2B3> , <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ύһ <E1BDBB> <D2BB> BUG<55> <47> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ָ<EFBFBD> ϡ<EFBFBD>
< p > ͬ<EFBFBD> <EFBFBD> ҲҪ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ǵ<EFBFBD> ftp վ<> <D5BE> < a href =
"ftp://ftp.postgresql.org/pub">ftp://ftp.postgreSQL.org/pub< / a > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> û<EFBFBD> и<EFBFBD> <EFBFBD> µ<EFBFBD>
PostgreSQL <20> 汾<EFBFBD> <EFBFBD> <F2B2B9B6> <EFBFBD> < / p >
< h4 > < a name = "1.14" > < / a > 1.14) PostgreSQL <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> DBMS
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Σ<EFBFBD> < / h4 >
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> кü<EFBFBD> <EFBFBD> ַ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ԣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ܣ<EFBFBD> <EFBFBD> ɿ<EFBFBD> <EFBFBD> ԣ<EFBFBD> ֧<EFBFBD> ֺͼ۸<EFBFBD> <EFBFBD> <EFBFBD>
< dl >
< dt > < b > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / b > < / dt >
< dd > PostgreSQL ӵ<> д<EFBFBD> <D0B4> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> DBMS
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ԣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 磺<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ӳ<EFBFBD> ѯ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͼ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ο <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ժ<EFBFBD> <EFBFBD> ӵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ȡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ǻ<EFBFBD> <EFBFBD> <EFBFBD> һ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> û<EFBFBD> е <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ԣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> û<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͣ<EFBFBD> <EFBFBD> ̳У <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ͷ<EFBFBD> <EFBFBD> 汾<EFBFBD> <EFBFBD> <EFBFBD> п<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Լ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> õȡ<EFBFBD> < br / >
< / dd >
< dt > < b > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / b > < / dt >
< dd > PostgreSQL
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> úͿ <EFBFBD> Դ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ƶ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ܡ<EFBFBD> <EFBFBD> <EFBFBD> ijЩ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ȽϿ죬<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ƚ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
MySQL <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݿ<EFBFBD> ϵͳ<CFB5> Ƚϣ<C8BD> <CFA3> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> insert/update
ʱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϊ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ȼ MySQL <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < i > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / i >
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> κ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ԡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ǵ<EFBFBD> <EFBFBD> <EFBFBD> Ҫ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ǿɿ<EFBFBD> <EFBFBD> Ժ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ԣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ÿ<EFBFBD> η<EFBFBD> <EFBFBD> <EFBFBD> ʱ<EFBFBD> <EFBFBD> <EFBFBD> ϵظĽ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ܡ<EFBFBD> <EFBFBD> <EFBFBD> һ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ȥ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ҳ<EFBFBD> Ƚ<EFBFBD> <EFBFBD> <EFBFBD>
PostgreSQL <20> <> MySQL < a href =
"http://openacs.org/why-not-mysql.html">http://openacs.org/why-not-mysql.html< / a > <EFBFBD> <EFBFBD> < br / >
< / dd >
< dt > < b > <EFBFBD> ɿ<EFBFBD> <EFBFBD> <EFBFBD> < / b > < / dt >
< dd > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֪<EFBFBD> <EFBFBD> DBMS
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ǿɿ<EFBFBD> <EFBFBD> ģ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ <EFBFBD> <EFBFBD> <EFBFBD> ö<EFBFBD> û<EFBFBD> С <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ŭ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Եģ<EFBFBD> <EFBFBD> ȶ<EFBFBD> <EFBFBD> ij<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ٵĴ<EFBFBD> <EFBFBD> 롣ÿ<EFBFBD> <EFBFBD> <EFBFBD> 汾<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ <EFBFBD> <EFBFBD> <EFBFBD> µ<EFBFBD>
beta
<EFBFBD> <EFBFBD> <EFBFBD> ԣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ǵķ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʷ<EFBFBD> <EFBFBD> ʾ <EFBFBD> <EFBFBD> <EFBFBD> ǿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ṩ<EFBFBD> ȶ<EFBFBD> <EFBFBD> ģ<EFBFBD> <EFBFBD> ι <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ <EFBFBD> õİ汾<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ⷽ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ൱<EFBFBD> ġ<EFBFBD> < br / >
< / dd >
< dt > < b > ֧<EFBFBD> <EFBFBD> < / b > < / dt >
< dd >
<EFBFBD> <EFBFBD> <EFBFBD> ǵ<EFBFBD> <EFBFBD> ʼ <EFBFBD> <EFBFBD> б <EFBFBD> <EFBFBD> ṩһ <EFBFBD> <EFBFBD> <EFBFBD> dz<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ŀ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ա<EFBFBD> <EFBFBD> <EFBFBD> û<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> κ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ⡣<EFBFBD> <EFBFBD> <EFBFBD> Dz<EFBFBD> <EFBFBD> ܱ<EFBFBD> ֤<EFBFBD> ϶<EFBFBD> <EFBFBD> ܽ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ⣬<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֮<EFBFBD> £<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
DBMS
Ҳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ܹ<EFBFBD> <EFBFBD> ṩ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֱ<EFBFBD> <EFBFBD> <EFBFBD> 뿪<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ա<EFBFBD> <EFBFBD> <EFBFBD> û<EFBFBD> Ⱥ<EFBFBD> <EFBFBD> <EFBFBD> ֲ<EFBFBD> <EFBFBD> <EFBFBD> Դ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ӵ<EFBFBD> <EFBFBD> <EFBFBD>
PostgreSQL <20> <> ֧<EFBFBD> ֱ<EFBFBD> <D6B1> <EFBFBD> <EFBFBD> <EFBFBD> DBMS
<EFBFBD> <EFBFBD> Ҫ<EFBFBD> á<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ <EFBFBD> <EFBFBD> ҵ<EFBFBD> Ե<EFBFBD> Ԥ<EFBFBD> <EFBFBD> װ<EFBFBD> <EFBFBD> ֧<EFBFBD> ֣<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ը<EFBFBD> <EFBFBD> ṩ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Щ<EFBFBD> <EFBFBD> Ҫ<EFBFBD> <EFBFBD> <EFBFBD> ˡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֧<EFBFBD> <EFBFBD>
FAQ <20> <> <EFBFBD> <EFBFBD> 1.6 С <> ڡ<EFBFBD> <DAA1> <EFBFBD> < br / >
< / dd >
< dt > < b > <EFBFBD> ۸<EFBFBD> < / b > < / dt >
< dd >
<EFBFBD> <EFBFBD> <EFBFBD> Ƕ<EFBFBD> <EFBFBD> κ<EFBFBD> <EFBFBD> <EFBFBD> ; <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ѣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> úͷ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ŀ<EFBFBD> ġ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Բ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ƶ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> IJ<EFBFBD> Ʒ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ǵĴ<EFBFBD> <EFBFBD> 룬<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Щ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> İ<EFBFBD> Ȩ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
BSD <20> <> <EFBFBD> <EFBFBD> <EFBFBD> İ<EFBFBD> Ȩ<EFBFBD> ⡣< / dd >
< / dl >
< h4 > < a name = "1.15" > < / a > 1.15) <20> <> Ӧ<EFBFBD> <D3A6> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> PostgreSQL <20> <> < / h4 >
< p > <EFBFBD> Դ<EFBFBD> 1996<EFBFBD> 꿪ʼ <EFBFBD> <EFBFBD> PostgreSQL
<EFBFBD> Ѿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֯<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ЩӦ<EFBFBD> ù鹦<EFBFBD> <EFBFBD> Marc
Fournier<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ˲<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Щ<EFBFBD> <EFBFBD> һ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֯<EFBFBD> <EFBFBD> < / p >
< p >
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Դ<EFBFBD> <EFBFBD> Ŀ<EFBFBD> <EFBFBD> ˵<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʩ<EFBFBD> Ƿdz<EFBFBD> <EFBFBD> <EFBFBD> Ҫ<EFBFBD> ġ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ܷ<EFBFBD> ֹ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ӳ<EFBFBD> <EFBFBD> <EFBFBD> Ŀǰ<EFBFBD> <EFBFBD> <EFBFBD> Ļ<EFBFBD> <EFBFBD> ҡ<EFBFBD> < / p >
< p >
<EFBFBD> <EFBFBD> Ȼ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֯<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ת<EFBFBD> ɱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ơ<EFBFBD> ά<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ǰ<EFBFBD> <EFBFBD> <EFBFBD> и<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ¶ȵġ<EFBFBD> һ <EFBFBD> <EFBFBD> <EFBFBD> ԵĿ<EFBFBD> ֧<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ĺ<EFBFBD> ˾<EFBFBD> ܽ<EFBFBD> <EFBFBD> о <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֧<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ҵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
< a href =
"http://store.pgsql.com/shopping/">http://store.pgsql.com/shopping/< / a >
<EFBFBD> <EFBFBD> <EFBFBD> о <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / p >
< p > <EFBFBD> <EFBFBD> Ȼ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ҳ<EFBFBD> ἰ<EFBFBD> <EFBFBD> PostgreSQL <20> <> ˾<EFBFBD> <CBBE> <EFBFBD> <EFBFBD> Щ<EFBFBD> <D0A9> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֧<EFBFBD> <D6A7>
PostgreSQL
<EFBFBD> <EFBFBD> Ŀ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> û<EFBFBD> <EFBFBD> <EFBFBD> ض<EFBFBD> <EFBFBD> Ĺ<EFBFBD> ˾<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ը<EFBFBD> ⣬Ҳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʼ <EFBFBD> ֧Ʊ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ϵ<EFBFBD> <EFBFBD> ַ<EFBFBD> <EFBFBD> < / p >
< hr / >
< center >
< h2 > <EFBFBD> û<EFBFBD> <EFBFBD> ͻ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / h2 >
< / center >
< h4 > < a name = "2.1" > < / a > 2.1) <20> <> PostgreSQL <20> <> ODBC <20> <> <EFBFBD> <EFBFBD> ô<EFBFBD> <C3B4> < / h4 >
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ODBC <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ի<EFBFBD> <D4BB> ã<EFBFBD> PsqlODBC <20> <> OpenLink ODBC.
< p > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < a href =
"http://gborg.postgresql.org/project/psqlodbc/projdisplay.php">http://gborg.postgresql.org/project/psqlodbc/projdisplay.php< / a >
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> PsqlODBC <20> <> < / p >
< p > OpenLink ODBC <20> <> <EFBFBD> Դ<EFBFBD> < a href =
"http://www.openlinksw.com/">http://www.openlinksw.com/< / a >
<EFBFBD> <EFBFBD> <EFBFBD> á<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ǵı <EFBFBD> ODBC
<EFBFBD> ͻ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> κ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֧<EFBFBD> ֵĿͻ<EFBFBD> <EFBFBD> <EFBFBD> ƽ <EFBFBD> <EFBFBD> Win, Mac,
Unix, VMS<4D> <53> <EFBFBD> <EFBFBD> ʹ <EFBFBD> <CAB9> PostgreSQL ODBC<42> <43> < / p >
< p > <EFBFBD> <EFBFBD> <EFBFBD> ǿ<EFBFBD> <EFBFBD> ܽ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ʒ <EFBFBD> <EFBFBD> <EFBFBD> ۸<EFBFBD> <EFBFBD> <EFBFBD> Щ<EFBFBD> <EFBFBD> Ҫ<EFBFBD> <EFBFBD> ҵ֧<EFBFBD> ֵ<EFBFBD> <EFBFBD> û<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ <EFBFBD> <EFBFBD>
freeware <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> İ汾<C4B0> <E6B1BE> <EFBFBD> Եõ<D4B5> <C3B5> <EFBFBD> <EFBFBD> <EFBFBD> ѯ<EFBFBD> <D1AF> < a href =
"mailto:postgres95@openlink.co.uk">postgres95@openlink.co.uk< / a > <EFBFBD> <EFBFBD> < / p >
< h4 > < a name = "2.2" > < / a > 2.2) <20> <> ʲô<CAB2> <C3B4> <EFBFBD> ߿<EFBFBD> <DFBF> <EFBFBD> PostgreSQL <20> <> <EFBFBD> <EFBFBD> Web
ҳ<EFBFBD> 棿< / h4 >
һ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݿ<EFBFBD> Ϊ<EFBFBD> <EFBFBD> ̨<EFBFBD> <EFBFBD> ͦ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> վ<> <D5BE> <EFBFBD> ǣ<EFBFBD> < a href =
"http://www.webreview.com">http://www.webreview.com< / a > <20> <>
< p > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Web <20> <> <EFBFBD> ɣ <EFBFBD> PHP <20> <> һ <EFBFBD> <D2BB> <EFBFBD> <EFBFBD> <EFBFBD> õĽӿڡ<D3BF> <DAA1> <EFBFBD> <EFBFBD> ڣ<EFBFBD> < a href =
"http://www.php.net/">http://www.php.net/< / a > <20> <> < / p >
< p > <EFBFBD> <EFBFBD> <EFBFBD> ڸ<EFBFBD> <EFBFBD> ӵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ܶ<EFBFBD> <EFBFBD> ˲<EFBFBD> <EFBFBD> <EFBFBD> Perl <20> ӿں<D3BF> CGI.pm <20> <> mod_perl <20> <> < / p >
< h4 > < a name = "2.3" > < / a > 2.3) PostgreSQL ӵ<> <D3B5> ͼ<EFBFBD> <CDBC> <EFBFBD> û<EFBFBD> <C3BB> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / h4 >
<EFBFBD> ǵġ<EFBFBD> <EFBFBD> м<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> PostgreSQL <20> <> ͼ<EFBFBD> ν <D3BF> <DAA1> <EFBFBD> <EFBFBD> <EFBFBD> PgAccess<73> <73> < a href =
"http://www.pgaccess.com">http://www.pgaccess.com< / a > )<29> <> PgAdmin II
<EFBFBD> <EFBFBD> < a href =
"http://www.pgadmin.org">http://www.pgadmin.org< / a > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Win32<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
RHDB Admin (< a href =
"http://sources.redhat.com/rhdb/">http://sources.redhat.com/rhdb/< / a > <EFBFBD> <EFBFBD>
<EFBFBD> Լ<EFBFBD> Rekall <20> <> < a href =
"http://www.thekompany.com/products/rekall/">http://www.thekompany.com/products/rekall/< / a > <EFBFBD> <EFBFBD>
ר<EFBFBD> е <EFBFBD> /proprietary)<29> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> PHPPgAdmin <20> <> < a href =
"http://phppgadmin.sourceforge.net/">http://phppgadmin.sourceforge.net/<2F> <> < / a >
<EFBFBD> <EFBFBD> һ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> web <20> <> PostgreSQL <20> <> <EFBFBD> ʽ <D3BF>
< p > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͼ<EFBFBD> <EFBFBD> <EFBFBD> û<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 棬<EFBFBD> <EFBFBD> Ϊ PgAccess
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ҳ<EFBFBD> <EFBFBD> < a href =
"http://www.pgaccess.org/">http://www.pgaccess.org/< / a > <EFBFBD> <EFBFBD> < / p >
< h4 > < a name = "2.4" > < / a > 2.4) <20> <> <EFBFBD> ǿ<EFBFBD> <C7BF> <EFBFBD> <EFBFBD> <EFBFBD> ʲô<CAB2> <C3B4> <EFBFBD> Ժ<EFBFBD> PostgreSQL
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / h4 >
< p > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> е ı <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Զ<EFBFBD> <EFBFBD> з<EFBFBD> <EFBFBD> <EFBFBD> PostgreSQL
<EFBFBD> Ľӿڡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ե<EFBFBD> <EFBFBD> <EFBFBD> չģ<EFBFBD> <EFBFBD> <EFBFBD> б <EFBFBD> <EFBFBD> <EFBFBD> < / p >
< p > PostgreSQL <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> а <EFBFBD> <D0B0> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ½ӿڣ<D3BF> < / p >
< ul >
< li > C (libpq)< / li >
< li > Embedded C (ecpg)< / li >
< li > Java (jdbc)< / li >
< li > Python (PyGreSQL)< / li >
< li > TCL (libpgtcl)< / li >
< / ul >
< p > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ľӿ<EFBFBD> <EFBFBD> <EFBFBD> < a href =
"http://gborg.postgresql.org">http://gborg.postgresql.org< / a > <20> ϵ<EFBFBD>
< i > Drivers/Interfaces< / i > С <> ڡ<EFBFBD> < / p >
< hr / >
< center >
< h2 > ϵͳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / h2 >
< / center >
< h4 > < a name = "3.1" > < / a > 3.1) <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ܰ<EFBFBD> PostgreSQL װ<> <D7B0>
/usr/local/pgsql <20> <> <EFBFBD> <EFBFBD> <EFBFBD> ĵط<C4B5> <D8B7> <EFBFBD> < / h4 >
< p > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> configure ʱ<> <CAB1> <EFBFBD> <EFBFBD> --prefix ѡ <> < / p >
< h4 > < a name = "3.2" > < / a > 3.2) <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> postmaster ʱ<> <CAB1> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < i > Bad
System Call< / i > <EFBFBD> <EFBFBD> ϵͳ<EFBFBD> <EFBFBD> <EFBFBD> ô<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Core Dumped <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϊʲô<CAB2> <C3B4> < / h4 >
< p > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ǻܶ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ⣬<EFBFBD> <EFBFBD> <EFBFBD> ȼ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ϵͳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ƿ<EFBFBD> ֧<EFBFBD> <EFBFBD> System V
<EFBFBD> <EFBFBD> չ<EFBFBD> <EFBFBD> PostgreSQL <20> <> Ҫ<EFBFBD> ں<EFBFBD> ֧<EFBFBD> ֹ<EFBFBD> <D6B9> <EFBFBD> <EFBFBD> ڴ<EFBFBD> <DAB4> <EFBFBD> <EFBFBD> źŵơ<C5B5> < / p >
< h4 > < a name = "3.3" > < / a > 3.3) <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͼ<EFBFBD> <CDBC> <EFBFBD> <EFBFBD> postmaster ʱ<> <CAB1> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
< i > IpcMemoryCreate< / i > <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϊʲô<CAB2> <C3B4> < / h4 >
<EFBFBD> <EFBFBD> Ҫô<EFBFBD> <EFBFBD> û<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ں<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ȷ<EFBFBD> <EFBFBD> <EFBFBD> ù<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڴ棬Ҫô<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҫ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ں˵Ŀ<EFBFBD> <EFBFBD> ù<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڴ档<EFBFBD> <EFBFBD> Ҫ<EFBFBD> Ĺ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڴ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ȡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ϵ<EFBFBD> ṹ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
postmaster
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʱʹ <EFBFBD> õĻ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͺ <EFBFBD> <EFBFBD> ˽<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ŀ<EFBFBD> <EFBFBD> <EFBFBD> Դ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ϵͳ<EFBFBD> <EFBFBD> ʹ <EFBFBD> <EFBFBD> ȱʡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͽ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ŀʱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҫ~1MB<4D> <42> <EFBFBD> йع<D0B9> <D8B9> <EFBFBD> <EFBFBD> ڴ<EFBFBD> <DAB4> <EFBFBD> <EFBFBD> źŵƵ<C5B5> <C6B5> <EFBFBD> ϸ<EFBFBD> <CFB8> Ϣ<EFBFBD> <CFA2> <EFBFBD> ο <EFBFBD>
< a href =
"http://www.postgresql.org/idocs/index.php?kernel-resources.html">PostgreSQL
Administrator's Guide< / a > <20> <>
< h4 > < a name = "3.4" > < / a > 3.4) <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͼ<EFBFBD> <CDBC> <EFBFBD> <EFBFBD> postmaster ʱ<> <CAB1> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
< i > IpcSemaphoreCreate< / i > <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϊʲô<CAB2> <C3B4> < / h4 >
< p > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϣ<EFBFBD> <EFBFBD> < i > IpcSemaphoreCreate: semget failed (No space
left on
device)< / i > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ôԭ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ں<EFBFBD> û<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 㹻<EFBFBD> <EFBFBD> <EFBFBD> źŵ<EFBFBD> <EFBFBD> <EFBFBD> Դ<EFBFBD> <EFBFBD> Postgres
<EFBFBD> <EFBFBD> ÿ<EFBFBD> <EFBFBD> DZ<EFBFBD> ڵĺ<EFBFBD> ̨<EFBFBD> <EFBFBD> <EFBFBD> ̶<EFBFBD> <EFBFBD> <EFBFBD> Ҫһ <EFBFBD> <EFBFBD> <EFBFBD> źŵơ<EFBFBD> һ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʱ<EFBFBD> Ľ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ԱȽ<EFBFBD> <EFBFBD> ٵĺ<EFBFBD> ̨<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
postmaster<EFBFBD> <EFBFBD> ʹ <EFBFBD> ÿ<EFBFBD> <EFBFBD> <EFBFBD> < i > -N< / i > <20> <> һ <EFBFBD> <D2BB> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ȱʡֵ 32 <20> IJ<EFBFBD> <C4B2> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
postmaster<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> õĽ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ǼӴ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ں˵<EFBFBD> < font size =
"-1">SEMMNS< / font > <20> <> < font size = "-1" > SEMMNI< / font > <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / p >
< p > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ܴ<EFBFBD> ʱ<EFBFBD> <EFBFBD> <EFBFBD> źŵƲ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ÿ<EFBFBD> <EFBFBD> ܵ<EFBFBD> <EFBFBD> <EFBFBD> ϵͳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / p >
< p >
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʲô<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ܾ<EFBFBD> <EFBFBD> <EFBFBD> û<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ں<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> źŵ<EFBFBD> ֧<EFBFBD> ֡<EFBFBD> <EFBFBD> йع<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڴ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> źŵƵ<EFBFBD> <EFBFBD> <EFBFBD> ϸ<EFBFBD> <EFBFBD> Ϣ<EFBFBD> <EFBFBD> <EFBFBD> ο <EFBFBD>
< a href =
"http://www.postgresql.org/idocs/index.php?kernel-resources.html">PostgreSQL
Administrator's Guide< / a > <20> <> < / p >
< h4 > < a name = "3.5" > < / a > 3.5) <20> <> <EFBFBD> <EFBFBD> <EFBFBD> ο <EFBFBD> <CEBF> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ӣ<EFBFBD> < / h4 >
< p > ȱʡʱ<EFBFBD> <EFBFBD> PostgreSQL ֻ<> <D6BB> <EFBFBD> <EFBFBD> ͨ<EFBFBD> <CDA8> unix
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ա<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ӡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ <EFBFBD> <EFBFBD> < i > -i< / i > <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
< i > postmaster< / i > <EFBFBD> <EFBFBD> < b > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / b > ͨ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ӧ<EFBFBD> ı
< i > $PGDATA/pg_hba.conf< / i > <20> ļ<EFBFBD> <C4BC> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϊ<EFBFBD> <CEAA> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> host-based
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֤<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Dz<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ļ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ӵġ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> TCP/IP
<EFBFBD> <EFBFBD> <EFBFBD> ӡ<EFBFBD> < / p >
< h4 > < a name = "3.6" > < / a > 3.6)
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ի<EFBFBD> <EFBFBD> ø<EFBFBD> <EFBFBD> õ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ܣ<EFBFBD> < / h4 >
< p > <EFBFBD> <EFBFBD> Ȼ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Լ<EFBFBD> <EFBFBD> ٲ<EFBFBD> ѯ<EFBFBD> <EFBFBD> < font size = "-1" > EXPLAIN< / font >
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ۲<EFBFBD> PostgreSQL
<EFBFBD> <EFBFBD> <EFBFBD> ν <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> IJ<EFBFBD> ѯ<EFBFBD> <EFBFBD> <EFBFBD> Լ<EFBFBD> ʹ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Щ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / p >
< p > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ <EFBFBD> <EFBFBD> < font size = "-1" > INSERT< / font > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ <EFBFBD> <EFBFBD>
< font size = "-1" > COPY< / font >
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Դ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ķ<EFBFBD> ʽ <EFBFBD> <EFBFBD> <EFBFBD> С <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ȵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < font size =
"-1">INSERT< / font > <20> <> <EFBFBD> öࡣ<C3B6> <E0A1A3> <EFBFBD> Σ<EFBFBD> û<EFBFBD> д<EFBFBD> <D0B4> <EFBFBD> < font size = "-1" > BEGIN
WORK/COMMIT< / font >
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֮<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 䱻<EFBFBD> <EFBFBD> Ϊ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͬһ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 洦<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 䡣<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Լ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ķ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͬ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݸı <EFBFBD> ʱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ɾ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ؽ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / p >
< p > <EFBFBD> <EFBFBD> <EFBFBD> м<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڵ<EFBFBD> ѡ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ <EFBFBD> á<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͨ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < i > -o -F< / i > ѡ <> <D1A1> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
postmaster <20> <> <EFBFBD> <EFBFBD> ֹ fsync()<29> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ÿ<EFBFBD> <C3BF> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < i > fsync()< / i >
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ˢ<EFBFBD> µ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ϡ<EFBFBD> < / p >
< p > <EFBFBD> 㻹<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ <EFBFBD> <EFBFBD> postmaster -B
ѡ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ӻ<EFBFBD> <EFBFBD> ˽<EFBFBD> <EFBFBD> <EFBFBD> ʹ <EFBFBD> õĹ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڴ滺<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ŀ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> õ<EFBFBD> ̫<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> postmaster
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϊ<EFBFBD> <EFBFBD> <EFBFBD> Ѿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ں<EFBFBD> <EFBFBD> ڹ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڴ<EFBFBD> <EFBFBD> ռ <EFBFBD> <EFBFBD> ϵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ơ<EFBFBD> ÿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
8K <20> <> <EFBFBD> <EFBFBD> ȱʡ 64 <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / p >
< p > <EFBFBD> 㻹<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ <EFBFBD> ú<EFBFBD> ̨<EFBFBD> <EFBFBD> <EFBFBD> ̵<EFBFBD> -S
ѡ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ÿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ̨<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> õ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڴ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> -S
ֵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> K<EFBFBD> ֽڼƵģ<EFBFBD> ȱʡ<EFBFBD> <EFBFBD> 512 <20> <> Ҳ<EFBFBD> <D2B2> <EFBFBD> <EFBFBD> ˵<EFBFBD> <CBB5> 512K<32> <4B> <EFBFBD> <EFBFBD> < / p >
< p > <EFBFBD> 㻹<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ <EFBFBD> <EFBFBD> < font size = "-1" > CLUSTER< / font >
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ѱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݰ<EFBFBD> <EFBFBD> <EFBFBD> ij<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> о <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> š<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> CLUSTER
<EFBFBD> <EFBFBD> <EFBFBD> ֲ<EFBFBD> ҳ<EFBFBD> <EFBFBD> ȡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ϸ<EFBFBD> ڡ<EFBFBD> < / p >
< h4 > < a name = "3.7" > < / a > 3.7) PostgreSQL
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ի<EFBFBD> <EFBFBD> <EFBFBD> ʲô<EFBFBD> <EFBFBD> <EFBFBD> ĵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ԣ<EFBFBD> < / h4 >
< p > PostgreSQL
<EFBFBD> м<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڱ<EFBFBD> <EFBFBD> <EFBFBD> ״̬<EFBFBD> <EFBFBD> Ϣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Щ<EFBFBD> <EFBFBD> Ϣ<EFBFBD> <EFBFBD> <EFBFBD> ܶԵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ; <EFBFBD> <EFBFBD> <EFBFBD> а <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / p >
< p > <EFBFBD> <EFBFBD> <EFBFBD> ȣ <EFBFBD> ͨ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> --enable-cassert ѡ <> <D1A1> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> configure<72> <65> <EFBFBD> кܶ<D0BA>
< i > assert()< / i >
<EFBFBD> <EFBFBD> <EFBFBD> غ<EFBFBD> ̨<EFBFBD> <EFBFBD> <EFBFBD> ̺<EFBFBD> <EFBFBD> ڷ<EFBFBD> <EFBFBD> <EFBFBD> ijЩδ<EFBFBD> <EFBFBD> Ԥ<EFBFBD> ϵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʱֹͣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> С <EFBFBD> < / p >
< p > postmaster <20> <> postgres <20> <> <EFBFBD> <EFBFBD> һ <D2BB> <D0A9> <EFBFBD> õ<EFBFBD> ѡ <EFBFBD> <EFBFBD> <EEA1A3> <EFBFBD> ȣ <EFBFBD> <C8A3> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
postmaster
ʱ<EFBFBD> <EFBFBD> ȷ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ѱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ־<EFBFBD> ļ<EFBFBD> <EFBFBD> <EFBFBD> ȥ<EFBFBD> ˣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / p >
< pre >
cd /usr/local/pgsql
./bin/postmaster > server.log 2> & 1 &
< / pre >
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> PostgreSQL <20> <> <EFBFBD> <EFBFBD> Ŀ¼<C4BF> <C2BC> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ <EFBFBD> <D2BB> server.log
<EFBFBD> ļ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ļ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϣ<EFBFBD> <EFBFBD> postmaster
<EFBFBD> <EFBFBD> һ <EFBFBD> <EFBFBD> -d ѡ <> <EFBFBD> <EEA3AC> ѡ <EFBFBD> <D1A1> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ǻ<EFBFBD> <C7BB> ø<EFBFBD> <C3B8> <EFBFBD> <EFBFBD> <EFBFBD> ϸ<EFBFBD> ڻ㱨<DABB> <E3B1A8> -d
ѡ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Լ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҫ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ǹߵ <EFBFBD> <EFBFBD> Լ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ܻ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ɾ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ־<EFBFBD> ļ<EFBFBD> <EFBFBD> <EFBFBD>
< p > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> postmaster û<> <C3BB> <EFBFBD> <EFBFBD> <EFBFBD> У <EFBFBD> <D0A3> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֱ<EFBFBD> <D6B1> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> postgres
<EFBFBD> <EFBFBD> ̨<EFBFBD> <EFBFBD> <EFBFBD> ̣<EFBFBD> Ȼ<EFBFBD> <EFBFBD> ֱ<EFBFBD> Ӽ<EFBFBD> <EFBFBD> <EFBFBD> SQL <20> <> <EFBFBD> 䡣<EFBFBD> <E4A1A3> <EFBFBD> <EFBFBD> < b > ֻ< / b >
<EFBFBD> Ƽ <EFBFBD> <EFBFBD> ڵ<EFBFBD> <EFBFBD> Ե<EFBFBD> ʱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ô<EFBFBD> ɡ <EFBFBD> <EFBFBD> <EFBFBD> ע<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʱ<EFBFBD> û<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ƿֺű<EFBFBD> ʾ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> β<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ŵ<EFBFBD> <EFBFBD> Է<EFBFBD> <EFBFBD> ű<EFBFBD> <EFBFBD> 룬<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ <EFBFBD> <EFBFBD> һ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ۿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʲô<EFBFBD> <EFBFBD> <EFBFBD> 顣<EFBFBD> <EFBFBD> Ϊ<EFBFBD> <EFBFBD> ̨<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> û<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
postmaster
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ģ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ǻ<EFBFBD> ʵ<EFBFBD> ʵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> л<EFBFBD> <EFBFBD> <EFBFBD> һ <EFBFBD> £<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> /<2F> <> ̨<EFBFBD> <CCA8> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ܲ<EFBFBD> <DCB2> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֡<EFBFBD> < / p >
< p > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> postmaster <20> Ѿ<EFBFBD> <D1BE> <EFBFBD> <EFBFBD> У <EFBFBD> <D0A3> <EFBFBD> <EFBFBD> <EFBFBD> һ <EFBFBD> <D2BB> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
< i > psql< / i > <EFBFBD> <EFBFBD> Ȼ<EFBFBD> <EFBFBD> <EFBFBD> ҳ<EFBFBD> < i > psql< / i > <20> <> Ӧ<EFBFBD> <D3A6> < i > postgres< / i > <20> <> <EFBFBD> ̵<EFBFBD>
< font size = "-1" > PID< / font > <EFBFBD> <EFBFBD> ʹ <EFBFBD> <EFBFBD> һ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
< i > postgres< / i > < font size = "-1" > PID< / font >
<EFBFBD> ϡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> öϵ㲢<EFBFBD> Ҵ<EFBFBD> < i > psql< / i >
<EFBFBD> <EFBFBD> ִ<EFBFBD> в<EFBFBD> ѯ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڵ<EFBFBD> <EFBFBD> <EFBFBD> < i > postgres< / i > <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
PGOPTIONS="-W n"<22> <> Ȼ<EFBFBD> <C8BB> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < i > psql< / i > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ӳ<EFBFBD> < i > n< / i >
<EFBFBD> 룬<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϳ <EFBFBD> <EFBFBD> Ը<EFBFBD> <EFBFBD> <EFBFBD> һ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҹ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ˳<EFBFBD> <EFBFBD> <EFBFBD> Ĺ<EFBFBD> <EFBFBD> ̡<EFBFBD> < / p >
< p > postgres <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> -s<> <73> -A<> <41> <EFBFBD> <EFBFBD> -t
ѡ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڵ<EFBFBD> <EFBFBD> Ժ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ܲ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʱ<EFBFBD> <EFBFBD> <EFBFBD> dz<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> á<EFBFBD> < / p >
< p > <EFBFBD> 㻹<EFBFBD> <EFBFBD> <EFBFBD> Դ<EFBFBD> profiling
֧<EFBFBD> ֱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ̨<EFBFBD> <EFBFBD> <EFBFBD> Ա<EFBFBD> <EFBFBD> ۲<EFBFBD> <EFBFBD> <EFBFBD> Щ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ռ <EFBFBD> õ<EFBFBD> ִ<EFBFBD> <EFBFBD> ʱ<EFBFBD> <EFBFBD> <EFBFBD> ϶ࡣprofile
<EFBFBD> ļ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> pgsql/data/base/dbname Ŀ¼<C4BF> ¡<EFBFBD> <C2A1> ͻ<EFBFBD> <CDBB> <EFBFBD> profile
<EFBFBD> ļ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڿͻ<EFBFBD> <EFBFBD> ˵<EFBFBD> ǰĿ¼<EFBFBD> ¡<EFBFBD> <EFBFBD> <EFBFBD> Linux <20> <> ֧<EFBFBD> <D6A7> profiling
Ҫ<EFBFBD> ڱ<EFBFBD> <EFBFBD> <EFBFBD> ʱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < i > -DLINUX_PROFILE< / i > <20> <> < / p >
< h4 > < a name = "3.8" > < / a > 3.8) Ϊʲô<CAB2> <C3B4> <EFBFBD> <EFBFBD> ͼ<EFBFBD> <CDBC> <EFBFBD> ӵ<EFBFBD> ¼ʱ<C2BC> յ<EFBFBD> <D5B5> <EFBFBD> Sorry, too
many clients<74> <73> <EFBFBD> <EFBFBD> Ϣ<EFBFBD> <CFA2> < / h4 >
< p > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҫ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> postmaster <20> <> <EFBFBD> <EFBFBD> ʱ֧<CAB1> ֵIJ<D6B5> <C4B2> <EFBFBD> <EFBFBD> <EFBFBD> ̨<EFBFBD> <CCA8> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / p >
< p > ȱʡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 32 <20> <> <EFBFBD> ̡<EFBFBD> <CCA1> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͨ<EFBFBD> <CDA8> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʵ<EFBFBD> <CAB5> <EFBFBD> < i > -N< / i > ֵ<> <D6B5> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
postmaster <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ŀ<EFBFBD> <C4BF> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < i > postgresql.conf< / i > <20> ļ<EFBFBD> <C4BC> <EFBFBD> < / p >
< p > Ҫע<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < i > -N< / i > <20> <> <EFBFBD> <EFBFBD> Ϊ<EFBFBD> <CEAA> <EFBFBD> <EFBFBD> 32<33> <32> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͬ<EFBFBD> <CDAC> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
< i > -B< / i > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ȱʡ<EFBFBD> <EFBFBD> 64<36> <34> -B <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> -N
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϊ<EFBFBD> ˸ <EFBFBD> <EFBFBD> õ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ܿ<EFBFBD> <EFBFBD> <EFBFBD> Ҫ<EFBFBD> <EFBFBD> <EFBFBD> Ǹ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҫ<EFBFBD> <EFBFBD> <EFBFBD> ڴ<EFBFBD> <EFBFBD> <EFBFBD> Ŀ<EFBFBD> ĺ<EFBFBD> <EFBFBD> ˽<EFBFBD> <EFBFBD> ̣<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ܻ<EFBFBD> <EFBFBD> ᷢ<EFBFBD> <EFBFBD> <EFBFBD> 㻹<EFBFBD> <EFBFBD> Ҫ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
Unix
<EFBFBD> ں<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ò<EFBFBD> <EFBFBD> <EFBFBD> ֵ<EFBFBD> <EFBFBD> Ҫ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ķ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڴ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ߴ < font size =
"-1">SHMMAX< / font > <EFBFBD> <EFBFBD> <EFBFBD> źŵƵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ŀ<EFBFBD> <EFBFBD> < font size = "-1" > SEMMNS< / font >
<EFBFBD> <EFBFBD> < font size = "-1" > SEMMNI< / font > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ľ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < font size =
"-1">NPROC< / font > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> û<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < font size =
"-1">MAXUPRC< / font > <EFBFBD> <EFBFBD> <EFBFBD> Լ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ļ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ŀ<EFBFBD> <EFBFBD> < font size =
"-1">NFILE< / font > <20> <> < font size = "-1" > NINODE< / font > <20> <> Postgres
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ĺ<EFBFBD> ̨<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ƶ<EFBFBD> ԭ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϊ<EFBFBD> <EFBFBD> ȷ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ϵͳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ù<EFBFBD> <EFBFBD> <EFBFBD> Դ<EFBFBD> <EFBFBD> < / p >
< p > <EFBFBD> <EFBFBD> Postgres <20> <> <EFBFBD> <EFBFBD> 6.5 <20> İ汾<C4B0> <E6B1BE> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ̨<EFBFBD> <CCA8> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ȱʡ<C8B1> <CAA1>
64<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҷ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҫ<EFBFBD> <EFBFBD> < i > include/storage/sinvaladt.h< / i >
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> MaxBackendId <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ȼ<EFBFBD> <C8BB> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> BUILD<4C> <44> < / p >
< h4 > < a name = "3.9" > < / a > 3.9) pgsql_tmp Ŀ¼<C4BF> ﶼ<EFBFBD> <EFB6BC> Щʲô<CAB2> <C3B4> < / h4 >
< p > <EFBFBD> <EFBFBD> Ŀ¼<EFBFBD> ±<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ˲<EFBFBD> ѯִ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ɵ<EFBFBD> <EFBFBD> <EFBFBD> ʱ<EFBFBD> ļ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 磬<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ҪΪ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
< font size = "-1" > ORDER BY< / font > <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <F2A3ACB2> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҫ<EFBFBD> Ⱥ<EFBFBD> ̨<EFBFBD> <CCA8> -S
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ĸ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ŀռ <EFBFBD> <EFBFBD> ô<EFBFBD> ͻᴴ<EFBFBD> <EFBFBD> һ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʱ<EFBFBD> ļ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݡ<EFBFBD> < / p >
< p >
<EFBFBD> <EFBFBD> ʱ<EFBFBD> ļ<EFBFBD> Ӧ<EFBFBD> <EFBFBD> <EFBFBD> Զ<EFBFBD> ɾ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> к<EFBFBD> ̨<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ˾Ϳ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֹͣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
postmaster <20> <> <EFBFBD> <EFBFBD> ɾ<EFBFBD> <C9BE> <EFBFBD> <EFBFBD> Щ<EFBFBD> ļ<EFBFBD> <C4BC> <EFBFBD> < br / > < / p >
< h4 > < a name = "3.10" > < / a > 3.10) ΪʲôҪ<C3B4> <D2AA> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> PostgreSQL <20> <> <EFBFBD> <EFBFBD> <EFBFBD> 汾ʱ<E6B1BE> <CAB1>
dump <20> <> restore <20> <> < / h4 >
< p > PostgreSQL <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ÿ<EFBFBD> <C3BF> С <EFBFBD> <D0A1> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ˽<EFBFBD> <CBBD> ٵ<EFBFBD> <D9B5> <EFBFBD> ,<2C> <> <EFBFBD> ˴ <EFBFBD> 7.2
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 7.2.1 <20> <> <EFBFBD> <EFBFBD> Ҫ dump <20> <> restore<72> <65> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҫ<EFBFBD> <D2AA> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 7.2 <20> <>
7.3<EFBFBD> <EFBFBD> ͨ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ϵͳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڲ<EFBFBD> <EFBFBD> <EFBFBD> ʽ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Щ<EFBFBD> 仯һ <EFBFBD> <EFBFBD> <EFBFBD> Ƚϸ<EFBFBD> <EFBFBD> ӣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Dz<EFBFBD> ά<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ļ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݡ<EFBFBD> dump
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݰ<EFBFBD> <EFBFBD> <EFBFBD> ͨ<EFBFBD> õĸ<EFBFBD> ʽ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ա<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ¼<EFBFBD> <EFBFBD> ز<EFBFBD> ʹ <EFBFBD> <EFBFBD> <EFBFBD> µ<EFBFBD> <EFBFBD> ڲ<EFBFBD> <EFBFBD> <EFBFBD> ʽ <EFBFBD> <EFBFBD> < / p >
< p > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ļ<EFBFBD> <EFBFBD> <EFBFBD> ʽ <EFBFBD> б <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < i > pg_upgrade< / i >
<EFBFBD> ű<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҫ<EFBFBD> <EFBFBD> dump <20> <> restor<6F> <72> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ˵<EFBFBD> <CBB5> script <20> <> ָ<EFBFBD> <D6B8>
< i > pg_upgrade< / i > <20> Ըô<D4B8> <C3B4> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ƿ<EFBFBD> <C7B7> <EFBFBD> <EFBFBD> á<EFBFBD> < / p >
< hr / >
< center >
< h2 > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / h2 >
< / center >
< h4 > < a name = "4.1" > < / a > 4.1)
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> α <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͨ<EFBFBD> α <EFBFBD> ֮<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʲô<EFBFBD> <EFBFBD> < / h4 >
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < font size = "-1" > DECLARE< / font > <20> ֲ<EFBFBD> ҳ<EFBFBD> <D2B3> ȡ<EFBFBD> <C8A1> Ϣ<EFBFBD> <CFA2>
< h4 > < a name = "4.2" > < / a > 4.2)<29> <> <EFBFBD> <EFBFBD> ֻ < font size = "-1" > SELECT< / font >
һ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ѯ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͷ<EFBFBD> <EFBFBD> <EFBFBD> У <EFBFBD> < / h4 >
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < font size = "-1" > FETCH< / font > <20> ֲ<EFBFBD> ҳ<EFBFBD> <D2B3> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ <EFBFBD> <CAB9> SELECT ...
LIMIT....
< p > <EFBFBD> <EFBFBD> ʹ <EFBFBD> <EFBFBD> ֻ<EFBFBD> <EFBFBD> Ҫ<EFBFBD> <EFBFBD> ͷ<EFBFBD> ļ<EFBFBD> <EFBFBD> У <EFBFBD> Ҳ<EFBFBD> <EFBFBD> <EFBFBD> 漰<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ѯ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ <EFBFBD> ô<EFBFBD> <EFBFBD> <EFBFBD>
< font size = "-1" > ORDER BY< / font > <20> IJ<EFBFBD> ѯ<EFBFBD> <D1AF> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ <EFBFBD> <D2BB> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
< font size = "-1" > ORDER BY< / font > ƥ<> 䣬PostgreSQL
<EFBFBD> <EFBFBD> <EFBFBD> ܾ<EFBFBD> ֻ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҫ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͷ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ¼<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ѯ<EFBFBD> <EFBFBD> <EFBFBD> д<EFBFBD> <EFBFBD> <EFBFBD> ֱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҫ<EFBFBD> <EFBFBD> <EFBFBD> С <EFBFBD> < / p >
< h4 > < a name = "4.3" > < / a > 4.3) <20> <> <EFBFBD> <EFBFBD> <EFBFBD> λ<EFBFBD> ȡһ <C8A1> <D2BB> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> б <EFBFBD> <D0B1> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
< i > psql< / i > <20> <EFBFBD> <EFBFB4> <EFBFBD> Ķ<EFBFBD> <C4B6> <EFBFBD> <EFBFBD> <EFBFBD> < / h4 >
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ķ<EFBFBD> < i > psql< / i >
<EFBFBD> <EFBFBD> Դ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ļ<EFBFBD> < i > pgsql/src/bin/psql/describe.c< / i > <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϊ<EFBFBD> <CEAA> <EFBFBD> <EFBFBD>
psql <20> ķ<EFBFBD> б <EFBFBD> <D0B1> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> SQL <20> <> <EFBFBD> <EFBFBD> 㻹<EFBFBD> <E3BBB9> <EFBFBD> Դ<EFBFBD> < i > -E< / i > ѡ <> <D1A1> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
< i > psql< / i > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ӡ<EFBFBD> <EFBFBD> ִ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> õIJ<EFBFBD> ѯ<EFBFBD> <EFBFBD>
< h4 > < a name = "4.4" > < / a > 4.4) <20> <> <EFBFBD> <EFBFBD> <EFBFBD> ӱ<EFBFBD> <D3B1> <EFBFBD> <EFBFBD> <EFBFBD> ɾ<EFBFBD> <C9BE> һ <EFBFBD> У <EFBFBD> < / h4 >
< p > 7.3 <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < font size = "-1" > ALTER TABLE DROP
COLUMN< / font > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֧<EFBFBD> ִ<EFBFBD> <EFBFBD> <EFBFBD> ܡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ǰ<EFBFBD> İ汾<EFBFBD> У <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / p >
< pre >
BEGIN;
2005-05-11 14:56:50 +00:00
LOCK TABLE old_table;
SELECT ... -- select all columns but the one you want to remove
INTO TABLE new_table
FROM old_table;
DROP TABLE old_table;
ALTER TABLE new_table RENAME TO old_table;
COMMIT;
2005-05-17 04:17:47 +00:00
< / pre >
< h4 > < a name = "4.5" > < / a > 4.5)
һ <EFBFBD> У <EFBFBD> һ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ߴ <EFBFBD> <EFBFBD> Ƕ<EFBFBD> <EFBFBD> ٣<EFBFBD> < / h4 >
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ <EFBFBD> <EFBFBD> <EFBFBD> ƣ<EFBFBD>
< pre >
һ <> <D2BB> <EFBFBD> <EFBFBD> <EFBFBD> ݿ<EFBFBD> <DDBF> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ߴ <20> <> <EFBFBD> <EFBFBD> <EFBFBD> ƣ<EFBFBD> <C6A3> <EFBFBD> <EFBFBD> <EFBFBD> 1TB <20> <> <EFBFBD> <EFBFBD> <EFBFBD> ݿ⣩
һ <> <D2BB> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ߴ
һ <> е <EFBFBD> <D0B5> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ߴ
2005-05-11 14:56:50 +00:00
һ <> <D2BB> <EFBFBD> ֶε<D6B6> <CEB5> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ߴ <EFBFBD> ? 1GB
2005-05-17 04:17:47 +00:00
һ <> <D2BB> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
һ <> <D2BB> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> й<EFBFBD> ,250-1600
һ <> <D2BB> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
< / pre >
<EFBFBD> <EFBFBD> Ȼ<EFBFBD> <EFBFBD> ʵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> û<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ƣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҫ<EFBFBD> ܿ<EFBFBD> <EFBFBD> ô<EFBFBD> <EFBFBD> ̿ռ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڴ<EFBFBD> /<2F> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Լ<EFBFBD> <D4BC>
< p > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ߴ <EFBFBD> 16 TB <20> <> <EFBFBD> <EFBFBD> Ҫ<EFBFBD> <D2AA> <EFBFBD> <EFBFBD> ϵͳ<CFB5> Դ<EFBFBD> <D4B4> ļ<EFBFBD> <C4BC> <EFBFBD> ֧<EFBFBD> ֡<EFBFBD> <D6A1> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ö<EFBFBD> <C3B6> <EFBFBD> 1 GB
<EFBFBD> <EFBFBD> <EFBFBD> ļ<EFBFBD> <EFBFBD> 洢<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ļ<EFBFBD> ϵͳ<EFBFBD> ߴ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Dz<EFBFBD> <EFBFBD> <EFBFBD> Ҫ<EFBFBD> ġ<EFBFBD> < / p >
< p > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ȱʡ<EFBFBD> Ŀ<EFBFBD> <EFBFBD> <EFBFBD> С <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 32K
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ı <EFBFBD> <EFBFBD> ߴ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ӡ<EFBFBD> < / p >
< h4 > < a name =
"4.6">< / a > 4.6)<29> 洢һ <E6B4A2> <D2BB> <EFBFBD> <EFBFBD> <EFBFBD> ͵<EFBFBD> ƽ <EFBFBD> <C6BD> <EFBFBD> ļ<EFBFBD> <C4BC> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҫ<EFBFBD> <D2AA> <EFBFBD> ٴ<EFBFBD> <D9B4> ̿ռ < / h4 >
һ <EFBFBD> <EFBFBD> Postgres
<EFBFBD> <EFBFBD> <EFBFBD> ݿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҫ<EFBFBD> ൱<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ <EFBFBD> <EFBFBD> ƽ <EFBFBD> <EFBFBD> <EFBFBD> ļ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 洢<EFBFBD> <EFBFBD> ͬ<EFBFBD> <EFBFBD> <EFBFBD> ݵ<EFBFBD> 5<EFBFBD> <EFBFBD> <EFBFBD> Ĵ<EFBFBD> <EFBFBD> ̿ռ
< p > <EFBFBD> <EFBFBD> <EFBFBD> 磬<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ <EFBFBD> <EFBFBD> 100,000
<EFBFBD> е <EFBFBD> <EFBFBD> ļ<EFBFBD> <EFBFBD> <EFBFBD> ÿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ <EFBFBD> <EFBFBD> <EFBFBD> ı <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ı <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ƽ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> λ20<EFBFBD> ֽڡ<EFBFBD> ƽ <EFBFBD> <EFBFBD> <EFBFBD> ļ<EFBFBD> ռ <EFBFBD> <EFBFBD>
2.8 MB<4D> <42> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Щ<EFBFBD> <D0A9> <EFBFBD> ݵ<EFBFBD> PostgreSQL <20> <> <EFBFBD> ݿ<EFBFBD> <DDBF> ļ<EFBFBD> <C4BC> <EFBFBD> Լ<EFBFBD> <D4BC> 6.4 MB:< / p >
< pre >
36 <20> ֽ<EFBFBD> : ÿ<> е <EFBFBD> ͷ<EFBFBD> <CDB7> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֵ<EFBFBD> <D6B5>
2005-05-11 14:56:50 +00:00
24 <20> ֽ<EFBFBD> : һ <> <D2BB> int<6E> ֶκ<D6B6> һ <EFBFBD> <D2BB> <EFBFBD> ı <EFBFBD> <C4B1> <EFBFBD> <EFBFBD> ֶ<EFBFBD>
+ 4 <20> ֽ<EFBFBD> : ҳ<> <D2B3> <EFBFBD> <EFBFBD> ָ<EFBFBD> <D6B8> Ԫ<EFBFBD> <D4AA> <EFBFBD> <EFBFBD> ָ<EFBFBD> <D6B8>
----------------------------------------
64 <20> ֽ<EFBFBD> ÿ<EFBFBD> <C3BF>
PostgreSQL <20> <> <EFBFBD> <EFBFBD> ҳ<EFBFBD> Ĵ<EFBFBD> С <EFBFBD> <D0A1> 8192 <20> ֽ<EFBFBD> (8 KB)<29> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
8192 <20> ֽ<EFBFBD> ÿҳ
------------------- = 128 <20> <> /<2F> <> <EFBFBD> <EFBFBD> ҳ<EFBFBD> <D2B3> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ȡ<EFBFBD> <C8A1> <EFBFBD> <EFBFBD>
64 <20> ֽ<EFBFBD> ÿ<EFBFBD> <C3BF>
100000 <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
-------------------- = 782 <20> <> <EFBFBD> <EFBFBD> ҳ<EFBFBD> <D2B3> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ȡ<EFBFBD> <C8A1> <EFBFBD> <EFBFBD>
128 <20> <> ÿҳ
782 <20> <> <EFBFBD> <EFBFBD> ҳ * 8192 <20> ֽ<EFBFBD> /ҳ = 6,406,144 <20> ֽڣ<D6BD> 6.4 MB<4D> <42>
2005-05-17 04:17:47 +00:00
< / pre >
< p >
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҫ<EFBFBD> <EFBFBD> ô<EFBFBD> <EFBFBD> <EFBFBD> Ķ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ģ<EFBFBD> <EFBFBD> <EFBFBD> Ҳȷʵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҳ<EFBFBD> <EFBFBD> <EFBFBD> ܴܺ<EFBFBD> <EFBFBD> <EFBFBD> < / p >
< p > <EFBFBD> <EFBFBD> ֵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> λͼ<EFBFBD> У <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ռ <EFBFBD> ú<EFBFBD> <EFBFBD> ٵĿռ < / p >
< h4 > < a name = "4.7" > < / a > 4.7)
<EFBFBD> <EFBFBD> <EFBFBD> β鿴<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݿ<EFBFBD> <EFBFBD> Լ<EFBFBD> <EFBFBD> û<EFBFBD> <EFBFBD> Ķ<EFBFBD> <EFBFBD> 壿< / h4 >
< i > psql< / i > <20> <> <EFBFBD> <EFBFBD> <EFBFBD> ෴б <E0B7B4> <D0B1> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʾ <EFBFBD> <CABE> Щ<EFBFBD> <D0A9> Ϣ<EFBFBD> <CFA2> <EFBFBD> <EFBFBD> \?
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Щ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> pg_ <20> <> ͷ<EFBFBD> <CDB7> ϵͳ<CFB5> <CDB3> Ҳ<EFBFBD> <D2B2> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Щ<EFBFBD> <D0A9> Ϣ<EFBFBD> <CFA2> psql -l
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> г <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> е <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݿ⡣
< p > Ҳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ļ<EFBFBD>
< i > pgsql/src/tutorial/syscat.source< / i > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʾ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݿ<EFBFBD> ϵͳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ȡ<EFBFBD> <EFBFBD> Ϣ<EFBFBD> <EFBFBD> Ҫ<EFBFBD> <EFBFBD>
< font size = "-1" > SELECT< / font > <EFBFBD> <EFBFBD> < / p >
< h4 > < a name = "4.8" > < / a > 4.8)
<EFBFBD> ҵIJ<EFBFBD> ѯ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> û<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϊʲô<EFBFBD> <EFBFBD> < / h4 >
< p >
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ÿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ѯ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Զ<EFBFBD> ʹ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֻ<EFBFBD> <EFBFBD> <EFBFBD> ڱ<EFBFBD> <EFBFBD> Ĵ<EFBFBD> С <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> С <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҳ<EFBFBD> ѯֻѡ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> н<EFBFBD> С <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϊ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ɨ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 漴<EFBFBD> <EFBFBD> <EFBFBD> ̴<EFBFBD> ȡ<EFBFBD> <EFBFBD> <EFBFBD> ܱ<EFBFBD> ֱ<EFBFBD> ӵض<EFBFBD> ȡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ˳<EFBFBD> <EFBFBD> ɨ<EFBFBD> 裩<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϊ<EFBFBD> <EFBFBD> <EFBFBD> ж<EFBFBD> <EFBFBD> Ƿ<EFBFBD> ʹ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> PostgreSQL
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> йر<EFBFBD> <EFBFBD> <EFBFBD> ͳ<EFBFBD> <EFBFBD> ֵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Щͳ<EFBFBD> <EFBFBD> ֵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ <EFBFBD> <EFBFBD> VACUUM ANALYZE<5A> <45> <EFBFBD> <EFBFBD>
ANALYZE
<EFBFBD> <EFBFBD> <EFBFBD> á<EFBFBD> ʹ <EFBFBD> <EFBFBD> ͳ<EFBFBD> <EFBFBD> ֵ<EFBFBD> <EFBFBD> <EFBFBD> Ż<EFBFBD> <EFBFBD> <EFBFBD> ֪<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ж<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> У <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ܹ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> õ<EFBFBD> <EFBFBD> ж<EFBFBD> <EFBFBD> Ƿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͳ<EFBFBD> <EFBFBD> ֵ<EFBFBD> <EFBFBD> ȷ<EFBFBD> <EFBFBD> <EFBFBD> Ż<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ˳<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ӷ<EFBFBD> <EFBFBD> <EFBFBD> Ҳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> á<EFBFBD> <EFBFBD> ڱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݷ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 仯ʱ<EFBFBD> <EFBFBD> Ӧ<EFBFBD> <EFBFBD> <EFBFBD> ڽ<EFBFBD> <EFBFBD> <EFBFBD> ͳ<EFBFBD> <EFBFBD> ֵ<EFBFBD> Ļ<EFBFBD> ȡ<EFBFBD> <EFBFBD> < / p >
< p > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͨ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ORDER BY
<EFBFBD> <EFBFBD> ִ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ӡ<EFBFBD> <EFBFBD> <EFBFBD> һ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ <EFBFBD> <EFBFBD> ˳<EFBFBD> <EFBFBD> ɨ<EFBFBD> 裬<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʽ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͨ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ɨ<EFBFBD> <EFBFBD> Ҫ<EFBFBD> 졣< / p >
< p > <EFBFBD> <EFBFBD> <EFBFBD> ǣ<EFBFBD> <EFBFBD> <EFBFBD> LIMIT <20> <> ORDER BY
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ <EFBFBD> <EFBFBD> ʱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϊֻ<EFBFBD> ᷵<EFBFBD> ر<EFBFBD> <EFBFBD> <EFBFBD> һ С <EFBFBD> <EFBFBD> <EFBFBD> ֡<EFBFBD> ʵ<EFBFBD> <EFBFBD> <EFBFBD> ϣ<EFBFBD> <EFBFBD> <EFBFBD> Ȼ
MAX() <20> <> MIN() <20> <> <EFBFBD> <EFBFBD> ʹ <EFBFBD> <CAB9> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͨ<EFBFBD> <CDA8> <EFBFBD> <EFBFBD> ORDER BY <20> <> LLIMIT
ʹ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ȡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> С <EFBFBD> ǿ<EFBFBD> <EFBFBD> Եģ<EFBFBD> < br / >
< br / >
SELECT col< br / >
FROM tab< br / >
ORDER BY col [ DESC ]< br / >
LIMIT 1;< / p >
< p > <EFBFBD> <EFBFBD> ʹ <EFBFBD> <EFBFBD> ͨ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> LIKE <20> <> ~
ʱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֻ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ض<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ <EFBFBD> ã<EFBFBD> < / p >
< ul >
< li > <EFBFBD> ַ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ŀ<EFBFBD> ʼ <EFBFBD> <EFBFBD> <EFBFBD> ֱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͨ<EFBFBD> ַ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ˵<EFBFBD> <EFBFBD> < / li >
< li > LIKE ģʽ <C4A3> <CABD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> % <20> <> ͷ<EFBFBD> <CDB7> < / li >
< li > ~ <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʽ <EFBFBD> <CABD> ģʽ <C4A3> <CABD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ^ <20> <> ͷ<EFBFBD> <CDB7> < / li >
< li > <EFBFBD> ַ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ƥ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ַ<EFBFBD> <EFBFBD> <EFBFBD> ģʽ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͷ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> [a-e]<5D> <> < / li >
< li > <EFBFBD> <EFBFBD> С <EFBFBD> صIJ<EFBFBD> <EFBFBD> ң<EFBFBD> <EFBFBD> <EFBFBD> ILIKE <20> <> ~* <20> Ȳ<EFBFBD> ʹ <EFBFBD> <CAB9> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 4.12
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ĺ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / li >
< li > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> initdb ʱ<> <CAB1> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ȱʡ<C8B1> ı <EFBFBD> <C4B1> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> C locale<6C> <65> < / li >
< / ul >
< h4 > < a name = "4.9" > < / a > 4.9)
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> β<EFBFBD> <EFBFBD> ܿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ѯ<EFBFBD> Ż<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ҵIJ<EFBFBD> ѯ<EFBFBD> ģ<EFBFBD> < / h4 >
<EFBFBD> ο <EFBFBD> < font size = "-1" > EXPLAIN< / font > <20> ֲ<EFBFBD> ҳ<EFBFBD> <D2B3>
< h4 > < a name = "4.10" > < / a > 4.10) R-tree <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʲô<CAB2> <C3B4> < / h4 >
< p > R-tree <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ռ <EFBFBD> <D5BC> <EFBFBD> <EFBFBD> ݡ<EFBFBD> һ <EFBFBD> <D2BB> <EFBFBD> <EFBFBD> ϣ<EFBFBD> <CFA3> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <DEB7> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Χ <EFBFBD> <CEA7> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
B-tree <20> <> <EFBFBD> <EFBFBD> ֻ<EFBFBD> ܴ<EFBFBD> <DCB4> <EFBFBD> һ <D2BB> ķ<EFBFBD> Χ <EFBFBD> <CEA7> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> R-tree
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Դ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ά<EFBFBD> <EFBFBD> <EFBFBD> ݡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 磬<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϊ point
<EFBFBD> <EFBFBD> <EFBFBD> ֶ<EFBFBD> <EFBFBD> Ͻ<EFBFBD> <EFBFBD> <EFBFBD> һ <EFBFBD> <EFBFBD> R-tree <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ôϵͳ<CFB5> ܸ<EFBFBD> <DCB8> <EFBFBD> Ч<EFBFBD> ػش<D8BB> <D8B4> <EFBFBD> <EFBFBD> <EFBFBD>
<EFBFBD> <EFBFBD> ѡ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> η<EFBFBD> Χ <EFBFBD> ڵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> е <EFBFBD> <EFBFBD> < br / >
< br / >
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> R-Tree <20> <> <EFBFBD> Ƶ<EFBFBD> <C6B5> <EFBFBD> ʽ <EFBFBD> <CABD> <EFBFBD> <EFBFBD> <EFBFBD> ǣ<EFBFBD> < br / >
< br / >
Guttman, A. "R-Trees: A Dynamic Index Structure for Spatial
Searching." Proc of the 1984 ACM SIGMOD Int'l Conf on Mgmt of Data,
45-57.< br / >
< br / >
<EFBFBD> 㻹<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Stonebraker <20> ġ<EFBFBD> Readings in Database
Systems<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ҵ<EFBFBD> <EFBFBD> <EFBFBD> ƪ<EFBFBD> <EFBFBD> <EFBFBD> ¡<EFBFBD> < br / >
< br / >
ϵͳ<EFBFBD> <EFBFBD> <EFBFBD> õ<EFBFBD> R-Tree <20> <> <EFBFBD> Դ<EFBFBD> <D4B4> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> κͷ<CEBA> <CDB7> Ρ <EFBFBD> <CEA1> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ˵<EFBFBD> <CBB5> R-tree
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> չΪ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ά<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʵ<EFBFBD> <EFBFBD> <EFBFBD> ϣ<EFBFBD> <EFBFBD> <EFBFBD> չ R-trees
<EFBFBD> <EFBFBD> Ҫһ <EFBFBD> <EFBFBD> <EFBFBD> Ĺ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ŀǰû<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ĵ<EFBFBD> <EFBFBD> <EFBFBD> < / p >
< h4 > < a name = "4.11" > < / a > 4.11) ʲô<CAB2> ǻ<EFBFBD> <C7BB> <EFBFBD> <EFBFBD> <EFBFBD> ѯ<EFBFBD> Ż<EFBFBD> <C5BB> <EFBFBD> Genetic Query
Optimization<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / h4 >
< p > GEQO ģ<> <C4A3> <EFBFBD> <EFBFBD> <EFBFBD> û<EFBFBD> <C3BB> <EFBFBD> <EFBFBD> 㷨<EFBFBD> <E3B7A8> Genetic
Algorithm<EFBFBD> <EFBFBD> GA<EFBFBD> <EFBFBD> <EFBFBD> ӿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ӵIJ<EFBFBD> ѯ<EFBFBD> Ż<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͨ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ӳ<EFBFBD> ѯ<EFBFBD> <EFBFBD> < / p >
< h4 > < a name = "4.12" > < / a > 4.12)
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʽ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ <EFBFBD> С <EFBFBD> ص<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʽ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> д<EFBFBD> С <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / h4 >
< p > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ~ <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʽ <CABD> 䣬<EFBFBD> <E4A3AC> ~*
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> С <EFBFBD> ص<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʽ <EFBFBD> 䡣<EFBFBD> <EFBFBD> дЩ<EFBFBD> ص<EFBFBD> LIKE <20> <> <EFBFBD> ֳ<EFBFBD> Ϊ
ILIKE<EFBFBD> <EFBFBD> < br / >
< br / >
<EFBFBD> <EFBFBD> С <EFBFBD> صĵ<EFBFBD> ʽ <EFBFBD> Ƚ<EFBFBD> ͨ<EFBFBD> <EFBFBD> д<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < br / >
< br / >
SELECT *< br / >
FROM tab< br / >
WHERE lower(col) = 'abc';< br / >
< br / >
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ <EFBFBD> ñ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ǿ<EFBFBD> <EFBFBD> Դ<EFBFBD> <EFBFBD> <EFBFBD> һ <EFBFBD> <EFBFBD> <EFBFBD> ɱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> õĺ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> :< br / >
< br / >
CREATE INDEX tabindex ON tab (lower(col));< / p >
< h4 > < a name = "4.13" > < / a > 4.13) <20> <> һ <EFBFBD> <D2BB> <EFBFBD> <EFBFBD> ѯ<EFBFBD> <EFBFBD> <EFA3AC> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ <EFBFBD> <D2BB> <EFBFBD> ֶ<EFBFBD> <D6B6> Ƿ<EFBFBD> Ϊ
NULL<EFBFBD> <EFBFBD> < / h4 >
< p > <EFBFBD> <EFBFBD> IS NULL <20> <> IS NOT NULL <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֶΡ <D6B6> < br / > < / p >
< h4 > < a name = "4.14" > < / a > 4.14) <20> <> <EFBFBD> <EFBFBD> <EFBFBD> ַ<EFBFBD> <D6B7> <EFBFBD> <EFBFBD> <EFBFBD> ֮<EFBFBD> <D6AE> <EFBFBD> <EFBFBD> ʲô<CAB2> <C3B4> ͬ<EFBFBD> <CDAC> < / h4 >
< p > <20> <> <EFBFBD> <EFBFBD> <20> ڲ<EFBFBD> <DAB2> <EFBFBD> <EFBFBD> <EFBFBD> ˵<> <CBB5> < br / >
--------------------------------------------------< br / >
"char" char 1<> <31> <EFBFBD> ַ<EFBFBD> character< br / >
CHAR(#) bpchar
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ַ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݲ<EFBFBD> <EFBFBD> 㶨<EFBFBD> 峤<EFBFBD> <EFBFBD> ʱ<EFBFBD> <EFBFBD> <EFBFBD> Կո <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < br / >
VARCHAR(#) varchar
ָ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ȣ <EFBFBD> <EFBFBD> 䳤<EFBFBD> ַ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 㶨<EFBFBD> 峤<EFBFBD> ȵIJ<EFBFBD> <EFBFBD> ֲ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < br / >
TEXT text <20> <> <EFBFBD> <EFBFBD> <EFBFBD> Ƚ<EFBFBD> <C8BD> <EFBFBD> <EFBFBD> е <EFBFBD> <D0B5> <EFBFBD> <EFBFBD> <EFBFBD> <F3B3A4B6> <EFBFBD> <EFBFBD> <EFBFBD> < br / >
BYTEA bytea <20> 䳤<EFBFBD> ֽ<EFBFBD> <D6BD> <EFBFBD> <EFBFBD> У <EFBFBD> <D0A3> 䳤<EFBFBD> Ķ<EFBFBD> <C4B6> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݣ<EFBFBD> < br / >
< br / >
<EFBFBD> <EFBFBD> ϵͳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϣ<EFBFBD> <EFBFBD> <EFBFBD> 㽫<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڲ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ơ<EFBFBD> < br / >
< br / >
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> "varlena"<22> <> <EFBFBD> 䳤<EFBFBD> <E4B3A4> <EFBFBD> <EFBFBD> <EFBFBD> ͣ<EFBFBD> Ҳ<EFBFBD> <D2B2> <EFBFBD> <EFBFBD> ˵<EFBFBD> <CBB5> <EFBFBD> <EFBFBD> ͷ<EFBFBD> <CDB7> <EFBFBD> ĸ<EFBFBD> <C4B8> ֽ<EFBFBD> <D6BD> dz<EFBFBD> <C7B3> ȣ <EFBFBD> <C8A3> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݣ<EFBFBD> <DDA3> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʵ<EFBFBD> <CAB5> ռ <EFBFBD> õĿռ <C4BF> <D5BC> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ĵ<EFBFBD> С <D0A1> <D2AA> һ <D2BB> <D0A9> Ȼ<EFBFBD> <C8BB> <EFBFBD> <EFBFBD> Щ<EFBFBD> <D0A9> <EFBFBD> Ͷ<EFBFBD> <CDB6> <EFBFBD> <EFBFBD> Ա<EFBFBD> ѹ<EFBFBD> <D1B9> <EFBFBD> 洢<EFBFBD> <E6B4A2> Ҳ<EFBFBD> <D2B2> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
TOAST <20> ѻ<EFBFBD> <D1BB> 洢<EFBFBD> <E6B4A2> <EFBFBD> <EFBFBD> <EFBFBD> ˴ <EFBFBD> <CBB4> ̿ռ <CCBF> Ҳ<EFBFBD> <D2B2> <EFBFBD> ܱ<EFBFBD> Ԥ<EFBFBD> <D4A4> <EFBFBD> <EFBFBD> Ҫ<EFBFBD> ١ <EFBFBD> < br / >
< br / >
CHAR(n) <20> <> <EFBFBD> ʺ<EFBFBD> <CABA> ڴ洢<DAB4> <E6B4A2> <EFBFBD> Ȼ<EFBFBD> <C8BB> <EFBFBD> <EFBFBD> <EFBFBD> <EEB2BB> <EFBFBD> <EFBFBD> <EFBFBD> ַ<EFBFBD> <D6B7> <EFBFBD> <EFBFBD> <EFBFBD> VARCHAR(n)
<EFBFBD> ڴ洢<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ȵı <EFBFBD> ַ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> õġ<EFBFBD> TEXT
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڴ洢<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ƴ<EFBFBD> <EFBFBD> ȵ<EFBFBD> <EFBFBD> ַ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ɴ<EFBFBD> 1G<31> <47> BYTEA
<EFBFBD> <EFBFBD> <EFBFBD> ڴ洢<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ǰ<EFBFBD> <EFBFBD> <EFBFBD> NULL
<EFBFBD> ֽڣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ƶ<EFBFBD> 0<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Щ<EFBFBD> <EFBFBD> <EFBFBD> ; <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͵<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ܡ<EFBFBD> < / p >
< h4 > < a name = "4.15.1" > < / a > 4.15.1)
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> к<EFBFBD> /<2F> Զ<EFBFBD> <D4B6> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֶΣ<D6B6> < / h4 >
< p > PostgreSQL ֧<> <D6A7> SERIAL
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͡<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֶ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Զ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> к<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 磬< br / >
CREATE TABLE person ( < br / >
id SERIAL, < br / >
name TEXT < br / >
);< br / >
< br / >
<EFBFBD> <EFBFBD> <EFBFBD> Զ<EFBFBD> ת<EFBFBD> <EFBFBD> Ϊ<EFBFBD> <EFBFBD> < br / >
< br / >
CREATE SEQUENCE person_id_seq;< br / >
CREATE TABLE person ( < br / >
id INT4 NOT NULL DEFAULT nextval('person_id_seq'),< br / >
name TEXT < br / >
);< br / >
CREATE UNIQUE INDEX person_id_key ON person ( id );< br / >
< br / >
<EFBFBD> ο <EFBFBD> create_sequence <20> ֲ<EFBFBD> ҳ<EFBFBD> <D2B3> ȡ<EFBFBD> <C8A1> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> е <D0B5> <C4B8> <EFBFBD> <EFBFBD> <EFBFBD> Ϣ<EFBFBD> <CFA2> <EFBFBD> 㻹<EFBFBD> <E3BBB9> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ÿ<EFBFBD> е <EFBFBD>
oid
<EFBFBD> ֶ<EFBFBD> <EFBFBD> <EFBFBD> Ϊһ <EFBFBD> <EFBFBD> Ψһ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҫ<EFBFBD> 㵹<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݿ⣬<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҫʹ <EFBFBD> <EFBFBD>
pg_dump <20> <> -o ѡ <> <D1A1> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> COPY WITH OIDS ѡ <> <D1A1> <EFBFBD> Ա<EFBFBD> <D4B1> <EFBFBD> OID<49> <44> < / p >
< h4 > < a name = "4.15.2" > < / a > 4.15.2)
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> λ<EFBFBD> <EFBFBD> <EFBFBD> һ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> кŵ<EFBFBD> ֵ<EFBFBD> <EFBFBD> < / h4 >
< p > һ <EFBFBD> ַ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڲ<EFBFBD> <EFBFBD> <EFBFBD> ֮ǰ<EFBFBD> <EFBFBD> <EFBFBD> ú<EFBFBD> <EFBFBD> <EFBFBD> nextval() <20> <> <EFBFBD> <EFBFBD> <EFBFBD> ж<EFBFBD> <D0B6> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ <EFBFBD> <D2BB>
SERIAL ֵ<> <D6B5> Ȼ<EFBFBD> <C8BB> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʽ <EFBFBD> <CABD> <EFBFBD> 롣ʹ <EBA1A3> <CAB9> < a href = "#4.15.1" > 4.15.1< / a >
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> α <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < br / >
< br / >
new_id = execute("SELECT nextval('person_id_seq')");< br / >
execute("INSERT INTO person (id, name) VALUES (new_id, 'Blaise
Pascal')");< br / >
< br / >
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ѯ<EFBFBD> <EFBFBD> ʹ <EFBFBD> ô<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> new_id <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֵ<EFBFBD> <D6B5> <EFBFBD> <EFBFBD> <EFBFBD> 磬<EFBFBD> <E7A3AC> Ϊ person
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ע<EFBFBD> <EFBFBD> <EFBFBD> Զ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> SEQUENCE <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ƽ <EFBFBD> <C6BD> <EFBFBD> <EFBFBD> <EFBFBD>
< table> _< serialcolumn> _seq<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> table <20> <> serialcolumn
<EFBFBD> ֱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ı <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ƺ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> SERIAL <20> ֶε<D6B6> <CEB5> <EFBFBD> <EFBFBD> ơ<EFBFBD> < br / >
< br / >
<EFBFBD> <EFBFBD> <EFBFBD> Ƶģ<EFBFBD> <EFBFBD> <EFBFBD> SERIAL <20> <> <EFBFBD> <EFBFBD> ȱʡ<C8B1> <CAA1> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ú<EFBFBD> <C3BA> <EFBFBD> currval() <20> <> <EFBFBD> <EFBFBD> <EFBFBD> ո <EFBFBD> ֵ<EFBFBD> <D6B5>
SERIAL ֵ<> <D6B5> <EFBFBD> <EFBFBD> <EFBFBD> 磬 < br / >
< br / >
execute("INSERT INTO person (name) VALUES ('Blaise
Pascal')");< br / >
new_id = execute("SELECT currval('person_id_seq')");< br / >
< br / >
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ <EFBFBD> ô<EFBFBD> INSERT <20> <> <EFBFBD> ䷵<EFBFBD> ص<EFBFBD> < a href = "4.16" > OID< / a >
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ȱʡֵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ȱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֲ<EFBFBD> Եķ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Perl <20> ʹ <EFA3AC> ô<EFBFBD> <C3B4> <EFBFBD>
Edmund Mergl <20> <> DBD::Pg ģ<> <C4A3> <EFBFBD> <EFBFBD> DBI<42> <49> oid ֵ<> <D6B5> <EFBFBD> <EFBFBD> ͨ<EFBFBD> <CDA8>
$sth-> execute() <20> <> <EFBFBD> <EFBFBD> $sth-> {pg_oid_status} <20> <> <EFBFBD> á<EFBFBD> < / p >
< h4 > < a name = "4.15.3" > < / a > 4.15.3) ʹ <> <CAB9> currval() <20> <> nextval()
<EFBFBD> ᵼ<EFBFBD> <EFBFBD> һ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> û<EFBFBD> ֮<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / h4 >
< p > <EFBFBD> <EFBFBD> <EFBFBD> ᡣcurrval()
<EFBFBD> <EFBFBD> <EFBFBD> غ<EFBFBD> ̨<EFBFBD> <EFBFBD> <EFBFBD> ̶<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> û<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ĵ<EFBFBD> ǰֵ<EFBFBD> <EFBFBD> < br / > < / p >
< h4 > < a name = "4.15.4" > < / a > 4.15.4)
Ϊʲô<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 쳣<EFBFBD> <EFBFBD> ֹ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> к<EFBFBD> <EFBFBD> أ<EFBFBD> Ϊʲô<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> к<EFBFBD> <EFBFBD> ֶε<EFBFBD> ȡֵ<EFBFBD> д<EFBFBD> <EFBFBD> ڼ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> أ<EFBFBD> < / h4 >
< p >
Ϊ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ߲<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ԣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> к<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҫ<EFBFBD> <EFBFBD> ʱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> е <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֻ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֮ǰ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͻᵼ<EFBFBD> <EFBFBD> ز<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> кų<EFBFBD> <EFBFBD> ּ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / p >
< h4 > < br / >
< a name = "4.16" > < / a > 4.16) ʲô<CAB2> <C3B4> OID<49> <44> ʲô<CAB2> <C3B4> TID<49> <44> < / h4 >
< p > OID <20> <> PostgreSQL <20> <> <EFBFBD> е <EFBFBD> Ψһ <CEA8> <D2BB> ʶ<EFBFBD> <CAB6> PostgreSQL
<EFBFBD> ﴴ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ÿһ <EFBFBD> ж<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ <EFBFBD> <EFBFBD> Ψһ <EFBFBD> <EFBFBD> OID<49> <44> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> initdb <20> <> <EFBFBD> <EFBFBD> <EFBFBD> д<EFBFBD> <D0B4> <EFBFBD> <EFBFBD> <EFBFBD> OID
<EFBFBD> <EFBFBD> С <EFBFBD> <EFBFBD> 16384 <20> <> <EFBFBD> μ<EFBFBD> include/access/transam.h<> <68> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> û<EFBFBD> <C3BB> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> OID
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڻ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֵ<EFBFBD> <EFBFBD> ȱʡʱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Щ OID
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ψһ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> PostgreSQL
<EFBFBD> <EFBFBD> װ<EFBFBD> <EFBFBD> Ҳ<EFBFBD> <EFBFBD> Ψһ <EFBFBD> ġ<EFBFBD> < br / >
< br / >
PostgreSQL <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڲ<EFBFBD> ϵͳ<CFB5> <CDB3> <EFBFBD> <EFBFBD> ʹ <EFBFBD> <CAB9> OID <20> ڱ<EFBFBD> ֮<EFBFBD> 佨<EFBFBD> <E4BDA8> <EFBFBD> <EFBFBD> ϵ<EFBFBD> <CFB5> <EFBFBD> <EFBFBD> Щ OID
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڱ<EFBFBD> ʶ<EFBFBD> ض<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> û<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Լ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ <EFBFBD> <EFBFBD> <EFBFBD> ֶ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> OID <20> 洢
OID ֵ<> <D6B5> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> OID <20> ֶ<EFBFBD> <D6B6> ϴ<EFBFBD> <CFB4> <EFBFBD> һ <EFBFBD> <D2BB> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Կ<EFBFBD> <D4BF> ٷ<EFBFBD> <D9B7> ʡ<EFBFBD> < br / >
< br / >
OID <20> <> һ <EFBFBD> <D2BB> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݿ<EFBFBD> ʹ <EFBFBD> õ<EFBFBD> <C3B5> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ︳ֵ<EFB8B3> <D6B5> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> С <EFBFBD> <D0A1> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
OID <20> ijɱ<C4B3> <C9B1> <EFBFBD> ֵ<EFBFBD> <D6B5> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ <EFBFBD> ݱ<EFBFBD> <DDB1> Ĵ<EFBFBD> ԭʼ <20> Ŀ<EFBFBD> <C4BF> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
< br / >
< br / >
CREATE TABLE new(old_oid oid, mycol int);< br / >
SELECT old_oid, mycol INTO new FROM old;< br / >
COPY new TO '/tmp/pgtable';< br / >
DELETE FROM new;< br / >
COPY new WITH OIDS FROM '/tmp/pgtable';< br / >
< br / >
OID
<EFBFBD> <EFBFBD> 4<EFBFBD> ֽڵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 棬<EFBFBD> ڳ<EFBFBD> <EFBFBD> <EFBFBD> 40<EFBFBD> <EFBFBD> ʱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> û<EFBFBD> <EFBFBD> <EFBFBD> ˱<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֹ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ǵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ˱<EFBFBD> <EFBFBD> <EFBFBD> ֮ǰ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ơ<EFBFBD> < br / >
< br / >
TID <20> <> <EFBFBD> ڱ<EFBFBD> ʶ<EFBFBD> <CAB6> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݿ飨<DDBF> <E9A3A8> ַ<EFBFBD> <D6B7> <EFBFBD> ͣ<EFBFBD> <CDA3> <EFBFBD> <EFBFBD> ڣ<EFBFBD> ƫ<EFBFBD> Ƶ<EFBFBD> <C6B5> ض<EFBFBD> <D8B6> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> С <EFBFBD> TID
<EFBFBD> <EFBFBD> <EFBFBD> б <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ļ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> غ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ı <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ָ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> С <EFBFBD> < / p >
< h4 > < a name = "4.17" > < / a > 4.17) PostgreSQL
ʹ <EFBFBD> õ<EFBFBD> һ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ĺ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʲô<EFBFBD> <EFBFBD> < / h4 >
< p >
һ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ <EFBFBD> <EFBFBD> һ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ĵ<EFBFBD> ʹ <EFBFBD> <EFBFBD> һ <EFBFBD> и<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ÷<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ <EFBFBD> <EFBFBD> <EFBFBD> ֣<EFBFBD>
< br / >
table, relation, class < br / >
row, record, tuple < br / >
column, field, attribute < br / >
retrieve, select < br / >
replace, update < br / >
append, insert < br / >
OID, serial value < br / >
portal, cursor < br / >
range variable, table name, table alias < br / >
< br / >
<EFBFBD> <EFBFBD> һ <EFBFBD> <EFBFBD> ͨ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> б <EFBFBD> <EFBFBD> <EFBFBD> < a href =
"http://hea-www.harvard.edu/MST/simul/software/docs/pkgs/pgsql/glossary/glossary.html">http://hea-www.harvard.edu/MST/simul/software/docs/pkgs/pgsql/glossary/glossary.html< / a >
<EFBFBD> <EFBFBD> < / p >
< h4 > < a name = "4.18" > < / a > 4.18) Ϊʲô<CAB2> <C3B4> <EFBFBD> յ<EFBFBD> <D5B5> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < i > ERROR: Memory
exhausted in AllocSetAlloc()< / i > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / h4 >
< p >
<EFBFBD> <EFBFBD> <EFBFBD> ܿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ϵͳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڴ<EFBFBD> <EFBFBD> ù<EFBFBD> <EFBFBD> ˣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ں˶<EFBFBD> ijЩ<EFBFBD> <EFBFBD> Դ<EFBFBD> нϵ͵<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
postmaster ֮ǰ<D6AE> <C7B0> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < br / >
< br / >
ulimit -d 262144< br / >
limit datasize 256m< br / >
< br / >
ȡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> õ<EFBFBD>
shell<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֻ<EFBFBD> <EFBFBD> һ <EFBFBD> <EFBFBD> <EFBFBD> ܳɹ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ľ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݶ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ñȽϸߣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ò<EFBFBD> ѯ<EFBFBD> <EFBFBD> <EFBFBD> ɡ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ӧ<EFBFBD> <EFBFBD> <EFBFBD> ڵ<EFBFBD> ǰ<EFBFBD> <EFBFBD> <EFBFBD> ̣<EFBFBD> <EFBFBD> Լ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> к<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ӽ<EFBFBD> <EFBFBD> ̡<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> SQL<EFBFBD> ͻ<EFBFBD> <EFBFBD> <EFBFBD> ʱ<EFBFBD> <EFBFBD> Ϊ<EFBFBD> <EFBFBD> ̨<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ̫<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݶ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ⣬<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> пͻ<EFBFBD> <EFBFBD> <EFBFBD> ֮ǰִ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / p >
< h4 > < a name = "4.19" > < / a > 4.19) <20> <> <EFBFBD> <EFBFBD> <EFBFBD> β<EFBFBD> <CEB2> <EFBFBD> ֪<EFBFBD> <D6AA> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> е <EFBFBD> PostgreSQL
<EFBFBD> İ汾<EFBFBD> <EFBFBD> < / h4 >
< p > <EFBFBD> <EFBFBD> psql <20> <EFBFBD> <EFA3AC> <EFBFBD> <EFBFBD> SELECT version()<29> <> < br / > < / p >
< h4 > < a name = "4.20" > < / a > 4.20)
Ϊʲô<EFBFBD> ҵĴ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ´ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < i > invalid large obj
descriptor<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ƿ<EFBFBD> <EFBFBD> Ĵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / i > <EFBFBD> <EFBFBD> < / h4 >
< p > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҫ<EFBFBD> <EFBFBD> ʹ <EFBFBD> <EFBFBD> <EFBFBD> κδ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ǰ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> BEGIN WORK <20> <>
COMMIT<EFBFBD> <EFBFBD> Ҳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ˵<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Χ <73> <65> < br / >
< br / >
Ŀǰ PostgreSQL
ǿ<EFBFBD> <EFBFBD> ʵʩ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ύʱ<EFBFBD> رմ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> û<EFBFBD> в<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ״ζԴ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> κ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͼ<EFBFBD> <EFBFBD> <EFBFBD> ᵼ<EFBFBD> <EFBFBD> һ <EFBFBD> <EFBFBD>
invalid large obj
descriptor<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ԣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> û<EFBFBD> <EFBFBD> ʹ <EFBFBD> <EFBFBD> һ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ǰ<EFBFBD> ܹ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ĵ<EFBFBD> <EFBFBD> 루<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ǵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʱ<EFBFBD> 䣩<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ôһ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϣ<EFBFBD> <EFBFBD>
< br / >
< br / >
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ <EFBFBD> ÿͻ<EFBFBD> <EFBFBD> ˽ӿڣ<EFBFBD> <EFBFBD> <EFBFBD> ODBC<42> <43> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҫ set auto-commit off<66> <66> < / p >
< h4 > < a name = "4.21" > < / a > 4.21)
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> δ<EFBFBD> <EFBFBD> <EFBFBD> һ <EFBFBD> <EFBFBD> ȱʡֵ<EFBFBD> ǵ<EFBFBD> ǰʱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֶΣ<EFBFBD> < / h4 >
< p > ʹ <EFBFBD> <EFBFBD> CURRENT_TIMESTAMP<4D> <50> < br / >
< br / >
CREATE TABLE test(x int, modtime timestamp DEFAULT
CURRENT_TIMESTAMP);< / p >
< h4 > < a name = "4.22" > < / a > 4.22) Ϊʲôʹ <C3B4> <CAB9> IN <20> <> <EFBFBD> Ӳ<EFBFBD> ѯ<EFBFBD> <D1AF> ô<EFBFBD> <C3B4> <EFBFBD> <EFBFBD> < / h4 >
< p >
Ŀǰ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͨ<EFBFBD> <EFBFBD> Ϊ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ѯ<EFBFBD> <EFBFBD> ÿһ <EFBFBD> <EFBFBD> ˳<EFBFBD> <EFBFBD> ɨ<EFBFBD> <EFBFBD> <EFBFBD> Ӳ<EFBFBD> ѯ<EFBFBD> Ľ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ӳ<EFBFBD> ѯ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ѯ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ӳ<EFBFBD> ѯ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> У <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ѯ<EFBFBD> <EFBFBD> <EFBFBD> غܶ<EFBFBD> <EFBFBD> У <EFBFBD> IN
ִ<EFBFBD> е <EFBFBD> ˼ӿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> IN <20> <> ѯ<EFBFBD> <D1AF> ִ<EFBFBD> У <EFBFBD> <D0A3> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> EXISTS <20> 滻 IN<49> <4E>
< br / >
< br / >
SELECT *< br / >
FROM tab< br / >
WHERE col IN (SELECT subcol FROM subtab);< br / >
< br / >
<EFBFBD> <EFBFBD> Ϊ<EFBFBD> <EFBFBD> < br / >
< br / >
SELECT *< br / >
FROM tab< br / >
WHERE EXISTS (SELECT subcol FROM subtab WHERE subcol =
col);< br / >
< br / >
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҫ<EFBFBD> <EFBFBD> ִ<EFBFBD> е <EFBFBD> <EFBFBD> 죬subcol
Ӧ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> С <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ϣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> δ<EFBFBD> <EFBFBD> <EFBFBD> ķ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 汾<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ơ<EFBFBD> < / p >
< h4 > < a name = "4.23" > < / a > 4.23) <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> outer join
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ӣ<EFBFBD> <EFBFBD> <EFBFBD> < / h4 >
< p > PostgreSQL <20> <> <EFBFBD> ñ<EFBFBD> <EFBFBD> <D7BC> SQL <20> ֧<EFB7A8> <D6A7> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ӡ<EFBFBD> <D3A1> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ӣ<EFBFBD> < br / >
< br / >
SELECT *< br / >
FROM t1 LEFT OUTER JOIN t2 ON (t1.col = t2.col);< br / >
< br / >
<EFBFBD> <EFBFBD> < br / >
SELECT *< br / >
FROM t1 LEFT OUTER JOIN t2 USING (col);< br / >
< br / >
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ȼ۵ <EFBFBD> ѯ<EFBFBD> <EFBFBD> t1.col <20> <> t2.col <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ӣ<EFBFBD> <D3A3> <EFBFBD> <EFBFBD> ҷ<EFBFBD> <D2B7> <EFBFBD> ?t1
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> δ<EFBFBD> <EFBFBD> <EFBFBD> ӵ<EFBFBD> <EFBFBD> У <EFBFBD> <EFBFBD> <EFBFBD> Щ<EFBFBD> <EFBFBD> t2 <20> <> û<EFBFBD> <C3BB> ƥ<EFBFBD> <C6A5> <EFBFBD> <EFBFBD> <EFBFBD> У <EFBFBD> <D0A3> <EFBFBD> <EFBFBD> <EFBFBD> [<5B> <> ]<5D> <> <EFBFBD> <EFBFBD> (RIGHT
OUTER JOIN)<29> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> t2 <20> <> δ<EFBFBD> <CEB4> <EFBFBD> ӵ<EFBFBD> <D3B5> С <EFBFBD> <D0A1> <EFBFBD> ȫ<EFBFBD> <C8AB> <EFBFBD> <EFBFBD> <EFBFBD> ӣ<EFBFBD> FULL OUTER
JOIN<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> t1 <20> <> t2 <20> <> δ<EFBFBD> <CEB4> <EFBFBD> ӵ<EFBFBD> <D3B5> С <EFBFBD> <D0A1> ؼ<EFBFBD> <D8BC> <EFBFBD> OUTER
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> [<5B> <> ]<5D> <> <EFBFBD> ӡ<EFBFBD> <D3A1> <EFBFBD> [<5B> <> ]<5D> <> <EFBFBD> Ӻ<EFBFBD> <D3BA> <EFBFBD> ȫ[<5B> <> ]<5D> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ǿ<EFBFBD> ѡ <EFBFBD> ģ<EFBFBD> <C4A3> <EFBFBD> ͨ<EFBFBD> <CDA8> <EFBFBD> ӱ<EFBFBD> <D3B1> <EFBFBD> Ϊ<EFBFBD> <CEAA> <EFBFBD> <EFBFBD> <EFBFBD> ӣ<EFBFBD> INNER
JOIN<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < br / >
< br / >
<EFBFBD> ڴ<EFBFBD> ǰ<EFBFBD> İ汾<EFBFBD> У <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ӿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> UNION <20> <> NOT IN
<EFBFBD> <EFBFBD> ģ<EFBFBD> ⡣<EFBFBD> <EFBFBD> <EFBFBD> 磬<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڱ<EFBFBD> tab1 <20> <> tab2 ֮<> <D6AE> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ӣ<EFBFBD> < br / >
< br / >
SELECT tab1.col1, tab2.col2< br / >
FROM tab1, tab2< br / >
WHERE tab1.col1 = tab2.col1< br / >
< br / >
UNION ALL< br / >
< br / >
SELECT tab1.col1, NULL< br / >
FROM tab1< br / >
WHERE tab1.col1 NOT IN (SELECT tab2.col1 FROM tab2)< br / >
ORDER BY col1< / p >
< h4 > < a name = "4.24" > < / a > 4.24) <20> <> <EFBFBD> <EFBFBD> ʹ <EFBFBD> <CAB9> <EFBFBD> 漰<EFBFBD> <E6BCB0> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݿ<EFBFBD> <DDBF> IJ<EFBFBD> ѯ<EFBFBD> <D1AF> < / h4 >
< p > û<EFBFBD> а <EFBFBD> <EFBFBD> ѯ<EFBFBD> <EFBFBD> ǰ<EFBFBD> <EFBFBD> <EFBFBD> ݿ<EFBFBD> ֮<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݿ⡣<EFBFBD> <EFBFBD> Ϊ PostgreSQL
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ص<EFBFBD> ϵͳĿ¼<EFBFBD> <EFBFBD> ϵͳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݿ<EFBFBD> <EFBFBD> IJ<EFBFBD> ѯ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ִ<EFBFBD> <EFBFBD> Ҳδ<EFBFBD> <EFBFBD> ȷ<EFBFBD> <EFBFBD> < br / >
< br / >
contrib/dblink
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ú<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʵ<EFBFBD> ֿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ѯ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ȼ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͬʱ<EFBFBD> <EFBFBD> <EFBFBD> ӵ<EFBFBD> <EFBFBD> <EFBFBD> ͬ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݿⲢ <EFBFBD> ڿͻ<EFBFBD> <EFBFBD> ˺ϲ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / p >
< h4 > < a name = "4.25" > < / a > 4.25) <20> <> <EFBFBD> <EFBFBD> <EFBFBD> ú<EFBFBD> <C3BA> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ض<EFBFBD> <D8B6> л<EFBFBD> <D0BB> <EFBFBD> <EFBFBD> У <EFBFBD> < / h4 >
< p > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> PL/pgSQL <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ <EFBFBD> <CAB9> refcursors <20> <> <EFBFBD> ؽ<EFBFBD> <D8BD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ο <EFBFBD> < a href =
"http://www.PostgreSQL.org/idocs/index.php?plpgsql-cursors.html">http://www.PostgreSQL.org/idocs/index.php?plpgsql-cursors.html< / a > ,
23.7.3.3<EFBFBD> ڡ<EFBFBD> < br / > < / p >
< h4 > < a name = "4.26" > < / a > 4.26) Ϊʲô<CAB2> <C3B4> PL/PgSQL
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> в<EFBFBD> <EFBFBD> ܿɿ<EFBFBD> <EFBFBD> ش<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ɾ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / h4 >
< p > PL/PgSQL <20> <> <EFBFBD> 溯<EFBFBD> <E6BAAF> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݣ<EFBFBD> <DDA3> ɴ˴ <C9B4> <CBB4> <EFBFBD> <EFBFBD> <EFBFBD> һ <EFBFBD> <D2BB> <EFBFBD> <EFBFBD> <EFBFBD> õĸ<C3B5> <C4B8> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ <EFBFBD> <D2BB>
PL/PgSQL
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ȼ<EFBFBD> <EFBFBD> <EFBFBD> ñ<EFBFBD> <EFBFBD> <EFBFBD> ɾ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ؽ<EFBFBD> <EFBFBD> ˣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ٴε<EFBFBD> <EFBFBD> øú<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʧ<EFBFBD> ܣ<EFBFBD> <EFBFBD> <EFBFBD> Ϊ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ĺ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ȼָ<EFBFBD> <EFBFBD> <EFBFBD> ɵ<EFBFBD> <EFBFBD> <EFBFBD> ʱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ķ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
PL/PgSQL <20> <> <EFBFBD> <EFBFBD> EXECUTE
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> з<EFBFBD> <EFBFBD> ʡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ᱣ֤<EFBFBD> <EFBFBD> ѯ<EFBFBD> <EFBFBD> ִ<EFBFBD> <EFBFBD> ǰ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ·<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / p >
< h4 > < a name = "4.27" > < / a > 4.27) <20> <> <EFBFBD> <EFBFBD> Щ<EFBFBD> <D0A9> <EFBFBD> ݸ<EFBFBD> <DDB8> <EFBFBD> ѡ <EFBFBD> < / h4 >
< p >
<EFBFBD> м<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> /<2F> ӷ<EFBFBD> ʽ <EFBFBD> ĸ<EFBFBD> <C4B8> <EFBFBD> ѡ <EFBFBD> <EFBFBD> <EEA1A3> Щѡ <D0A9> <D1A1> ֻ<EFBFBD> <D6BB> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݿ<EFBFBD> <DDBF> <EFBFBD> <EFBFBD> и<EFBFBD> <D0B8> £<EFBFBD> <C2A3> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݿ<EFBFBD> ֻ<EFBFBD> ܽ<EFBFBD> <DCBD> ж<EFBFBD> <D0B6> <EFBFBD> <EFBFBD> <EFBFBD> ҳ
< a href =
"http://gborg.PostgreSQL.org/genpage?replication_research">http://gborg.PostgreSQL.org/genpage?replication_research< / a >
<20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> г <EFBFBD> <D0B3> <EFBFBD> <EFBFBD> <EFBFBD> Щѡ <D0A9> <EFBFBD> <EEA1A3> < a href =
"http://gborg.PostgreSQL.org/project/pgreplication/projdisplay.php">
http://gborg.PostgreSQL.org/project/pgreplication/projdisplay.php< / a >
<EFBFBD> <EFBFBD> <EFBFBD> ڽ<EFBFBD> <EFBFBD> <EFBFBD> һ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ƵĽ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / p >
< h4 > < a name = "4.28" > < / a > 4.28) <20> <> <EFBFBD> <EFBFBD> Щ<EFBFBD> <D0A9> <EFBFBD> ݼ<EFBFBD> <DDBC> <EFBFBD> ѡ <EFBFBD> < / h4 >
< p > contrib/pgcrypto <20> <> <EFBFBD> <EFBFBD> <EFBFBD> ˺ܶ<CBBA> <DCB6> <EFBFBD> SQL
<EFBFBD> <EFBFBD> ѯ<EFBFBD> <EFBFBD> ʹ <EFBFBD> õļ<EFBFBD> <EFBFBD> ܺ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ܿͻ<EFBFBD> <EFBFBD> ˵<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ˴ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݵ<EFBFBD> Ψһ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
pg_hba.conf <20> в<EFBFBD> <D0B2> <EFBFBD> hostss <20> <> < br / >
< br / >
7.3 <20> 汾<EFBFBD> <E6B1BE> <EFBFBD> Զ<EFBFBD> <D4B6> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݿ<EFBFBD> <DDBF> û<EFBFBD> <C3BB> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> м<EFBFBD> <D0BC> ܡ<EFBFBD> <DCA1> <EFBFBD> <EFBFBD> <EFBFBD> ǰ<EFBFBD> İ汾<C4B0> У <EFBFBD> <D0A3> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
postgresql.conf <20> д<EFBFBD> <D0B4> <EFBFBD> PASSWORD_ENCRYPTION
ѡ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڼ<EFBFBD> <EFBFBD> ܵ<EFBFBD> <EFBFBD> ļ<EFBFBD> ϵͳ<EFBFBD> ϣ<EFBFBD> <EFBFBD> Դﵽ<EFBFBD> <EFBFBD> <EFBFBD> ܵ<EFBFBD> Ŀ<EFBFBD> ģ<EFBFBD> <EFBFBD> <EFBFBD> < br / >
< br / >
--------------------------------------------------------------------------------< / p >
< h2 align = "center" > <EFBFBD> <EFBFBD> չ PostgreSQL< / h2 >
< h4 > < a name = "5.1" > < / a > 5.1) <20> <> д<EFBFBD> <D0B4> һ <EFBFBD> <D2BB> <EFBFBD> û<EFBFBD> <C3BB> <EFBFBD> <EFBFBD> 庯<EFBFBD> <E5BAAF> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> psql
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʱ<EFBFBD> <EFBFBD> Ϊʲô<EFBFBD> ᵼ<EFBFBD> <EFBFBD> core dump<6D> <70> < / h4 >
< p >
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ԭ<EFBFBD> <EFBFBD> <EFBFBD> ܶࡣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> IJ<EFBFBD> <EFBFBD> Գ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> в<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Զ<EFBFBD> <EFBFBD> 庯<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / p >
< h4 > < a name = "5.2" > < / a > 5.2) <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ܸ<EFBFBD> PostgreSQL
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͺ ͺ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / h4 >
< p > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> չ<EFBFBD> <EFBFBD> <EFBFBD> ͵<EFBFBD> pgsql-hackers <20> ʼ <EFBFBD> <CABC> б <EFBFBD> <D0B1> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ջᱻ<D5BB> ŵ<EFBFBD>
contrib/ <20> <> Ŀ¼<C4BF> <C2BC> < br / > < / p >
< h4 > < a name = "5.3" > < / a > 5.3) <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> дһ <D0B4> <D2BB> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ <EFBFBD> <D2BB> Ԫ<EFBFBD> <D4AA> <EFBFBD> <EFBFBD> C <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / h4 >
< p > <EFBFBD> <EFBFBD> PostgreSQL 7.3 <20> Ժ<EFBFBD> <D4BA> İ汾<C4B0> У <EFBFBD> C, PL/PgSQL <20> <> SQL
<EFBFBD> <EFBFBD> ȫ֧<EFBFBD> ַ<EFBFBD> <EFBFBD> <EFBFBD> ֵΪ<EFBFBD> <EFBFBD> <EFBFBD> ĺ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϣ<EFBFBD> <EFBFBD> <EFBFBD> ο <EFBFBD> <20> <> <EFBFBD> <EFBFBD> Աָ<D4B1> ϣ<EFBFBD> the
Programmer's Guide<64> <65> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> contrib/tablefunc <20> <> <EFBFBD> <EFBFBD> һ <EFBFBD> <D2BB> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> C
д<EFBFBD> ķ<EFBFBD> <EFBFBD> <EFBFBD> ֵΪ<EFBFBD> <EFBFBD> <EFBFBD> ĺ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / p >
< h4 > < a name = "5.4" > < / a > 5.4)
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ <EFBFBD> <EFBFBD> Դ<EFBFBD> ļ<EFBFBD> <EFBFBD> <EFBFBD> Ϊʲô<EFBFBD> <EFBFBD> <EFBFBD> ±<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> û<EFBFBD> п<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ı < / h4 >
< p > Makefiles <20> <> û<EFBFBD> а <EFBFBD> <D0B0> <EFBFBD> ͷ<EFBFBD> ļ<EFBFBD> <C4BC> <EFBFBD> <EFBFBD> <EFBFBD> ȷ<EFBFBD> <C8B7> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> make clean<61> <6E>
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ <EFBFBD> <EFBFBD> make <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ <EFBFBD> õ<EFBFBD> <C3B5> <EFBFBD> GCC <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Բ<EFBFBD> <D4B2> <EFBFBD> ѡ <EFBFBD> <D1A1> --enable-depend
<EFBFBD> ñ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Զ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͷ<EFBFBD> ļ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ϵ<EFBFBD> <EFBFBD> < / p >
< / body >
< / html >
