PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ⣨FAQ<EFBFBD> <EFBFBD>
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> £<EFBFBD> 2005 <EFBFBD> <EFBFBD> 06 <EFBFBD> <EFBFBD> 02 <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 22:27:35 CST
Ŀǰά<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ա<EFBFBD> <EFBFBD> Bruce Momjian (pgman@candle.pha.pa.us)
<EFBFBD> <EFBFBD> <EFBFBD> İ<EFBFBD> ά<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ա<EFBFBD> <EFBFBD> doudou586 <EFBFBD> <EFBFBD> doudou586_2005@yahoo.com.cn<EFBFBD> <EFBFBD>
<EFBFBD> <EFBFBD> <EFBFBD> ĵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> °汾<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
http://www.postgresql.org/files/documentation/faqs/FAQ.html<EFBFBD> 鿴<EFBFBD> <EFBFBD>
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ϵͳƽ̨ <EFBFBD> <EFBFBD> <EFBFBD> ص<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> http://www.postgresql.org/docs/faq/<EFBFBD> <EFBFBD> <EFBFBD> ش<EFBFBD> <EFBFBD> <EFBFBD>
_________________________________________________________________
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
1.1)PostgreSQL <EFBFBD> <EFBFBD> ʲô<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ô<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
1.2)PostgreSQL <EFBFBD> İ<EFBFBD> Ȩ<EFBFBD> <EFBFBD> ʲô<EFBFBD> <EFBFBD>
1.3)PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Щ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ϵͳƽ̨ <EFBFBD> ϣ<EFBFBD>
1.4)<EFBFBD> Ҵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ܵ õ<EFBFBD> PostgreSQL<EFBFBD> <EFBFBD>
1.5)<EFBFBD> Ҵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ܵ õ<EFBFBD> <EFBFBD> <EFBFBD> PostgreSQL <EFBFBD> <EFBFBD> ֧ <EFBFBD> ֣ <EFBFBD>
1.6)<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ύһ<EFBFBD> <EFBFBD> BUG<EFBFBD> <EFBFBD> <EFBFBD> 棿
1.7)<EFBFBD> <EFBFBD> <EFBFBD> °<EFBFBD> <EFBFBD> <EFBFBD> PostgreSQL <EFBFBD> <EFBFBD> ʲô<EFBFBD> <EFBFBD>
1.8)<EFBFBD> ܹ <EFBFBD> <EFBFBD> <EFBFBD> ȡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ĵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Щ<EFBFBD> <EFBFBD>
1.9)<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ˽<EFBFBD> <EFBFBD> <EFBFBD> ֪ <EFBFBD> <EFBFBD> BUG <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ȱ<EFBFBD> Ĺ<EFBFBD> <EFBFBD> ܣ<EFBFBD>
1.10)<EFBFBD> <EFBFBD> Ӧ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ѧϰ SQL <EFBFBD> <EFBFBD>
1.11)<EFBFBD> <EFBFBD> Ӧ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 뿪<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 飿
1.12)PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݿ<EFBFBD> ϵͳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Σ<EFBFBD>
1.13)˿<EFBFBD> <EFBFBD> ƺ<EFBFBD> <EFBFBD> <EFBFBD> PostgreSQL <EFBFBD> <EFBFBD>
<EFBFBD> û<EFBFBD> <EFBFBD> ͻ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
2.1)<EFBFBD> <EFBFBD> <EFBFBD> ǿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʲô<EFBFBD> <EFBFBD> <EFBFBD> Ժ<EFBFBD> PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
2.2)<EFBFBD> <EFBFBD> ʲô<EFBFBD> <EFBFBD> <EFBFBD> ߿<EFBFBD> <EFBFBD> <EFBFBD> PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Web ҳ<EFBFBD> 棿
2.3)PostgreSQL ӵ<EFBFBD> <EFBFBD> ͼ<EFBFBD> <EFBFBD> <EFBFBD> û<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
ϵͳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
3.1)<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ܰ <EFBFBD> PostgreSQL װ<EFBFBD> <EFBFBD> /usr/local/pgsql <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ĵط<EFBFBD> <EFBFBD> <EFBFBD>
3.2)<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ο<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ӣ<EFBFBD>
3.3)<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>
3.4)PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ի<EFBFBD> <EFBFBD> <EFBFBD> ʲô<EFBFBD> <EFBFBD> <EFBFBD> ĵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ԣ<EFBFBD>
3.5)Ϊʲô<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͼ<EFBFBD> <EFBFBD> <EFBFBD> ӵ<EFBFBD> ¼ʱ<EFBFBD> յ<EFBFBD> <EFBFBD> <EFBFBD> Sorry, too many clients<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϣ<EFBFBD> <EFBFBD>
3.6)ΪʲôҪ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> PostgreSQL <EFBFBD> <EFBFBD> Ҫ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 汾ʱ<EFBFBD> <EFBFBD> dump <EFBFBD> <EFBFBD> restore <EFBFBD> <EFBFBD>
3.7)(ʹ<EFBFBD> <EFBFBD> PostgreSQL)<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҫʹ<EFBFBD> <EFBFBD> ʲô<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ӳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
4.1)<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֻ ѡ<EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ѯ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͷ<EFBFBD> <EFBFBD> <EFBFBD> У<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> У<EFBFBD>
4.2)<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<EFBFBD> <EFBFBD> <EFBFBD> β鿴psql<EFBFBD> <EFBFBD> <EFBFBD> õ<EFBFBD> <EFBFBD> IJ<EFBFBD> ѯָ
<EFBFBD> <EFBFBD> <EFBFBD> ʾ<EFBFBD> <EFBFBD> <EFBFBD> ǣ<EFBFBD>
4.3)<EFBFBD> <EFBFBD> <EFBFBD> θ<EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> ֶ ε<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͣ <EFBFBD>
4.4)һ<EFBFBD> м<EFBFBD> ¼<EFBFBD> <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>
4.5)<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䣿
4.6)Ϊʲô<EFBFBD> ҵIJ<EFBFBD> ѯ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϊʲô<EFBFBD> <EFBFBD> Щ<EFBFBD> <EFBFBD> ѯû<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
4.7)<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> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ҵIJ<EFBFBD> ѯ<EFBFBD> ģ<EFBFBD>
4.8)<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʽ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ<EFBFBD> Сд<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> Сд<EFBFBD> ز<EFBFBD> <EFBFBD> ң<EFBFBD>
4.9)<EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ѯ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> ֶ <EFBFBD> <EFBFBD> Ƿ<EFBFBD> Ϊ
NULL<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> β<EFBFBD> <EFBFBD> <EFBFBD> ȷ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ij<EFBFBD> ֶ <EFBFBD> <EFBFBD> Ƿ<EFBFBD> <EFBFBD> <EFBFBD> NULLֵ <EFBFBD> <EFBFBD>
4.10)<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ַ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֮ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʲô<EFBFBD> <EFBFBD> ͬ <EFBFBD> <EFBFBD>
4.11.1)<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> к<EFBFBD> /<EFBFBD> Զ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֶ Σ<EFBFBD>
4.11.2)<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>
4.11.3)ʹ<EFBFBD> <EFBFBD> currval() <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<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
4.11.4)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>
4.12)ʲô<EFBFBD> <EFBFBD> OID<EFBFBD> <EFBFBD> ʲô<EFBFBD> <EFBFBD> CTID <EFBFBD> <EFBFBD>
4.13)Ϊʲô<EFBFBD> <EFBFBD> <EFBFBD> յ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϣ<EFBFBD> <EFBFBD> ERROR: Memory exhausted in
AllocSetAlloc()<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
4.14)<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> β<EFBFBD> <EFBFBD> <EFBFBD> ֪ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> е<EFBFBD> PostgreSQL <EFBFBD> İ汾<EFBFBD> <EFBFBD>
4.15)<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> δ<EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> ȱʡֵ <EFBFBD> ǵ<EFBFBD> ǰʱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֶ Σ<EFBFBD>
4.16)<EFBFBD> <EFBFBD> <EFBFBD> ν<EFBFBD> <EFBFBD> <EFBFBD> outer join <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ӣ<EFBFBD> <EFBFBD> <EFBFBD>
4.17)<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ<EFBFBD> <EFBFBD> <EFBFBD> 漰<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݿ<EFBFBD> <EFBFBD> IJ<EFBFBD> ѯ<EFBFBD> <EFBFBD>
4.18)<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ú<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ض<EFBFBD> <EFBFBD> л<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> У<EFBFBD>
4.19)Ϊʲô<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ<EFBFBD> <EFBFBD> PL/PgSQL<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ȡ<EFBFBD> <EFBFBD> ʱ<EFBFBD> <EFBFBD> ʱ<EFBFBD> <EFBFBD> <EFBFBD> յ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϣ<EFBFBD> <EFBFBD> relation
with OID ##### does not exist<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
4.20)Ŀǰ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Щ<EFBFBD> <EFBFBD> <EFBFBD> ݸ<EFBFBD> <EFBFBD> Ʒ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ã<EFBFBD>
_________________________________________________________________
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
1.1)PostgreSQL <EFBFBD> <EFBFBD> ʲô<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ô<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Post-Gres-Q-L<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʱ<EFBFBD> <EFBFBD> Ҳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ΪPostgres <EFBFBD> <EFBFBD>
PostgreSQL
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ŀ<EFBFBD> <EFBFBD> <EFBFBD> Ĺ<EFBFBD> ϵ<EFBFBD> <EFBFBD> <EFBFBD> ݿ<EFBFBD> ϵͳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> д<EFBFBD> ͳ<EFBFBD> <EFBFBD> ҵ<EFBFBD> <EFBFBD> <EFBFBD> ݿ<EFBFBD> ϵͳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> й<EFBFBD> <EFBFBD> ܣ<EFBFBD> ͬ ʱ<EFBFBD> <EFBFBD>
<EFBFBD> <EFBFBD> <EFBFBD> н<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> DBMS ϵͳ<EFBFBD> <EFBFBD> ʹ<EFBFBD> õ<EFBFBD> <EFBFBD> <EFBFBD> ǿ<EFBFBD> <EFBFBD> <EFBFBD> ԡ<EFBFBD> PostgreSQL
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ѵģ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Դ<EFBFBD> <EFBFBD> <EFBFBD> 붼<EFBFBD> <EFBFBD> <EFBFBD> Ի<EFBFBD> <EFBFBD> á<EFBFBD>
PostgreSQL
<EFBFBD> Ŀ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ҪΪ־Ը<EFBFBD> ߣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> DZ鲼<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ز<EFBFBD> ͨ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ϵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD>
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ŀ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> κι<EFBFBD> ˾<EFBFBD> <EFBFBD> <EFBFBD> ơ<EFBFBD>
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 뿪<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 飬<EFBFBD> <EFBFBD> <EFBFBD> μ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ա<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ⣨FAQ<EFBFBD> <EFBFBD>
http://www.postgresql.org/files/documentation/faqs/FAQ_DEV.html
1.2)PostgreSQL <EFBFBD> İ<EFBFBD> Ȩ<EFBFBD> <EFBFBD> ʲô?
PostgreSQL<EFBFBD> ķ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ӿ<EFBFBD>
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> BSD<EFBFBD> <EFBFBD> Ȩ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Դ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ<EFBFBD> <EFBFBD> û<EFBFBD> <EFBFBD> <EFBFBD> κ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ƣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ǻ<EFBFBD> ϲ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ַ <EFBFBD> ʽ<EFBFBD> <EFBFBD> <EFBFBD> һ
<EFBFBD> û<EFBFBD> д<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ı<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ<EFBFBD> õ<EFBFBD> BSD<EFBFBD> <EFBFBD> Ȩ<EFBFBD> <EFBFBD> <EFBFBD> ݣ<EFBFBD>
<EFBFBD> <EFBFBD> <EFBFBD> ְ <EFBFBD> Ȩ<EFBFBD> <EFBFBD> c<EFBFBD> <EFBFBD> 1996-2005<EFBFBD> <EFBFBD> PostgreSQL
ȫ<EFBFBD> <EFBFBD> С<EFBFBD> 飬<EFBFBD> <EFBFBD> <EFBFBD> ְ <EFBFBD> Ȩ<EFBFBD> <EFBFBD> c<EFBFBD> <EFBFBD> 1994-1996 <EFBFBD> <EFBFBD> <EFBFBD> ݴ<EFBFBD> ѧ<EFBFBD> <EFBFBD> <EFBFBD>
<EFBFBD> <EFBFBD> Portions copyright (c) 1996-2005, PostgreSQL Global Development
Group Portions Copyright (c) 1994-6 Regents of the University of
California<EFBFBD> <EFBFBD>
<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> <EFBFBD>
<EFBFBD> <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>
<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.<EFBFBD> <EFBFBD>
<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> <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> <EFBFBD>
<EFBFBD> <EFBFBD> ѧ<EFBFBD> Ѿ<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>
<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.<EFBFBD> <EFBFBD>
<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>
<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.<EFBFBD> <EFBFBD>
1.3)PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Щ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ϵͳƽ̨ <EFBFBD> ϣ<EFBFBD>
һ<EFBFBD> <EFBFBD> ˵<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> ִ <EFBFBD> <EFBFBD> <EFBFBD> UNIX <EFBFBD> <EFBFBD> <EFBFBD> ݵ<EFBFBD> ƽ̨ <EFBFBD> <EFBFBD> <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> ȷ<EFBFBD> <EFBFBD> <EFBFBD> Ե<EFBFBD> ƽ̨ <EFBFBD> <EFBFBD>
PostgreSQlҲ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֱ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڻ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Windows-NT<EFBFBD> IJ<EFBFBD> <EFBFBD> <EFBFBD> ϵͳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Win2000<EFBFBD> <EFBFBD> Win
XP <EFBFBD> <EFBFBD> Win2003<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ɵİ<EFBFBD> װ<EFBFBD> <EFBFBD> <EFBFBD> ɴ<EFBFBD>
http://pgfoundry.org/projects/pginstaller<EFBFBD> <EFBFBD> <EFBFBD> أ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> MSDOS<EFBFBD> <EFBFBD> Windows<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
<EFBFBD> ͳ <EFBFBD> <EFBFBD> Win95<EFBFBD> <EFBFBD> Win98<EFBFBD> <EFBFBD> WinMe<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҫͨ <EFBFBD> <EFBFBD> Cygwinģ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> PostgreSQL<EFBFBD> <EFBFBD>
ͬ ʱҲ<EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> ΪNovell Netware 6<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> İ汾<EFBFBD> ɴ<EFBFBD> http://forge.novell.com
<EFBFBD> <EFBFBD> ȡ<EFBFBD> <EFBFBD> ΪOS/2<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> İ汾<EFBFBD> ɴ<EFBFBD>
http://hobbes.nmsu.edu/cgi-bin/h-search?sh=1&button=Search&key=postgre
SQL&stype=all&sort=type&dir=%2F
1.4)<EFBFBD> Ҵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ܵ õ<EFBFBD> PostgreSQL<EFBFBD> <EFBFBD>
ͨ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ɴ<EFBFBD> http://www.postgresql.org/ftp/<EFBFBD> <EFBFBD> <EFBFBD> أ<EFBFBD> Ҳ<EFBFBD> <EFBFBD> ͨ <EFBFBD> <EFBFBD> FTP<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
ftp://ftp.PostgreSQL.org/pub/վ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ء<EFBFBD>
1.5)<EFBFBD> Ҵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ܵ õ<EFBFBD> <EFBFBD> <EFBFBD> PostgreSQL <EFBFBD> <EFBFBD> ֧ <EFBFBD> ֣ <EFBFBD>
PostgreSQL<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͨ <EFBFBD> <EFBFBD> <EFBFBD> ʼ<EFBFBD> <EFBFBD> б<EFBFBD> Ϊ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> û<EFBFBD> <EFBFBD> ṩ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʼ<EFBFBD> <EFBFBD> б<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> վ<EFBFBD> <EFBFBD>
<EFBFBD> <EFBFBD>
http://www.postgresql.org/community/lists/<EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> £<EFBFBD> <EFBFBD> ȼ<EFBFBD> <EFBFBD> <EFBFBD> General
<EFBFBD> <EFBFBD> Bug<EFBFBD> ʼ<EFBFBD> <EFBFBD> б<EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> ϺõĿ<EFBFBD> ʼ<EFBFBD> <EFBFBD>
<EFBFBD> <EFBFBD> Ҫ<EFBFBD> <EFBFBD> IRCƵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> FreeNode(irc.freenode.net)<EFBFBD> <EFBFBD> #postgresql<EFBFBD> <EFBFBD> Ϊ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ϴ<EFBFBD> Ƶ
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ<EFBFBD> <EFBFBD> UNIX<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> irc<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ָ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʽ<EFBFBD> <EFBFBD> irc -c '#postgresql' "$USER"
irc.freenode.net
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> IRC<EFBFBD> ͻ<EFBFBD> <EFBFBD> ˳<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڴ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> л<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> PostgreSQL<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ƶ<EFBFBD>
<EFBFBD> (#postgersql-es)<EFBFBD> ͷ<EFBFBD> <EFBFBD> <EFBFBD> Ƶ<EFBFBD> <EFBFBD>
(#postgresql-fr)<EFBFBD> <EFBFBD> ͬ <EFBFBD> <EFBFBD> <EFBFBD> أ<EFBFBD> <EFBFBD> <EFBFBD> EFNET<EFBFBD> <EFBFBD> Ҳ<EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> PostgreSQL<EFBFBD> Ľ<EFBFBD> <EFBFBD> <EFBFBD> Ƶ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
<EFBFBD> <EFBFBD> ҵ֧ <EFBFBD> ֹ <EFBFBD> ˾<EFBFBD> <EFBFBD> <EFBFBD> б<EFBFBD> <EFBFBD> <EFBFBD> http://techdocs.postgresql.org/companies.php<EFBFBD> <EFBFBD>
1.6)<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ύһ<EFBFBD> <EFBFBD> BUG<EFBFBD> <EFBFBD> <EFBFBD> 棿
<EFBFBD> ɷ<EFBFBD> <EFBFBD> <EFBFBD>
http://www.postgresql.org/support/submitbug<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> дBug<EFBFBD> ϱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ɡ<EFBFBD>
ͬ <EFBFBD> <EFBFBD> Ҳ<EFBFBD> ɷ<EFBFBD> <EFBFBD> <EFBFBD> ftpվ<EFBFBD> <EFBFBD> ftp://ftp.PostgreSQL.org/pub/
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> µ<EFBFBD> PostgreSQL<EFBFBD> 汾<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
1.7)<EFBFBD> <EFBFBD> <EFBFBD> °<EFBFBD> <EFBFBD> <EFBFBD> PostgreSQL <EFBFBD> <EFBFBD> ʲô<EFBFBD> <EFBFBD>
PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> µİ汾<EFBFBD> ǰ汾 8.0.2 <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ע<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> °汾Ϊ8.0.3<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
<EFBFBD> <EFBFBD> <EFBFBD> Ǽƻ<EFBFBD> ÿ<EFBFBD> 귢<EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҫ<EFBFBD> 汾<EFBFBD> <EFBFBD> ÿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ·<EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> С<EFBFBD> 汾<EFBFBD> <EFBFBD>
1.8)<EFBFBD> ܹ <EFBFBD> <EFBFBD> <EFBFBD> ȡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ĵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Щ<EFBFBD> <EFBFBD>
PostgreSQL<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ĵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҫ<EFBFBD> <EFBFBD> һЩ<EFBFBD> ֲ ᣬ<EFBFBD> ֲ <EFBFBD> ҳ<EFBFBD> <EFBFBD> һЩ<EFBFBD> IJ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ӡ<EFBFBD> <EFBFBD> μ<EFBFBD>
/doc Ŀ¼<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ע<EFBFBD> <EFBFBD> ӦΪ $PGHOME/doc<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 㻹<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> PostgreSQL
<EFBFBD> <EFBFBD> <EFBFBD> ֲ ᣬ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ַ <EFBFBD> ǣ<EFBFBD> http://www.PostgreSQL.org/docs<EFBFBD> <EFBFBD>
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ṩ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
http://www.PostgreSQL.org/docs/awbook.html <EFBFBD> <EFBFBD>
http://www.commandprompt.com/ppbook/ <EFBFBD> <EFBFBD>
Ҳ<EFBFBD> д<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> PostgreSQL<EFBFBD> 鼮<EFBFBD> ɹ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϊ<EFBFBD> <EFBFBD> <EFBFBD> е<EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Korry
Douglas<EFBFBD> <EFBFBD> д<EFBFBD> ġ<EFBFBD> <EFBFBD> <EFBFBD>
http://techdocs.PostgreSQL.org/techdocs/bookreviews.php<EFBFBD> <EFBFBD>
<EFBFBD> <EFBFBD> <EFBFBD> д<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> й<EFBFBD> PostgreSQL<EFBFBD> 鼮<EFBFBD> ļ<EFBFBD> <EFBFBD> 顣 <EFBFBD> <EFBFBD>
http://techdocs.PostgreSQL.org/<EFBFBD> <EFBFBD> <EFBFBD> ռ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> й<EFBFBD> PostgreSQL
<EFBFBD> Ĵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ¡<EFBFBD>
<EFBFBD> ͻ<EFBFBD> <EFBFBD> ˵<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> г<EFBFBD> <EFBFBD> <EFBFBD> psql<EFBFBD> <EFBFBD> һЩ<EFBFBD> <EFBFBD> \d
<EFBFBD> <EFBFBD> ͷ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <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> <EFBFBD> <EFBFBD> ܵ ȵ<EFBFBD> <EFBFBD> <EFBFBD> Ϣ<EFBFBD> <EFBFBD> ʹ<EFBFBD> <EFBFBD> \?
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʾ<EFBFBD> <EFBFBD> <EFBFBD> п<EFBFBD> <EFBFBD> õ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
<EFBFBD> <EFBFBD> <EFBFBD> ǵ<EFBFBD> web վ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ĵ<EFBFBD> <EFBFBD> <EFBFBD>
1.9)<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ˽<EFBFBD> <EFBFBD> <EFBFBD> ֪ <EFBFBD> <EFBFBD> BUG <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ȱ<EFBFBD> Ĺ<EFBFBD> <EFBFBD> ܣ<EFBFBD>
PostgreSQL ֧ <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> չ<EFBFBD> ˵<EFBFBD> SQL-92 <EFBFBD> <EFBFBD> <EFBFBD> Ӽ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ǵ<EFBFBD> TODO
<EFBFBD> б<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ȡһ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֪ Bug<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ȱ<EFBFBD> Ĺ<EFBFBD> <EFBFBD> ܺ ͽ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ļƻ<EFBFBD> <EFBFBD> <EFBFBD>
1.10)<EFBFBD> <EFBFBD> Ӧ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ѧϰ SQL <EFBFBD> <EFBFBD>
<EFBFBD> <EFBFBD> <EFBFBD> ȿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ᵽ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> PostgreSQL<EFBFBD> <EFBFBD> <EFBFBD> ص<EFBFBD> <EFBFBD> 鼮<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Teach Yourself SQL
in 21 Days, Second Edition<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ǵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> û<EFBFBD> ϲ<EFBFBD> <EFBFBD> The Practical SQL
Handbook Bowman, Judith S., et al., Addison-Wesley<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ϲ<EFBFBD> <EFBFBD> The
Complete Reference SQL, Groff et al., McGraw-Hill<EFBFBD> <EFBFBD>
1.11)<EFBFBD> <EFBFBD> Ӧ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 뿪<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 飿
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Developer's FAQ <EFBFBD> <EFBFBD>
1.12)PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݿ<EFBFBD> ϵͳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Σ<EFBFBD>
<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>
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
PostgreSQL ӵ<EFBFBD> д<EFBFBD> <EFBFBD> <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> һЩ<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>
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
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> һЩ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ƚ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ȣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ǵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͨ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> +/- 10%֮ <EFBFBD> 䡣
<EFBFBD> ɿ<EFBFBD> <EFBFBD> <EFBFBD>
<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> <EFBFBD> ʱ<EFBFBD> 䣬<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> ι̵ ģ<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>
֧ <EFBFBD> <EFBFBD>
<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
<EFBFBD> <EFBFBD> ֧ <EFBFBD> ֱ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> DBMS
<EFBFBD> <EFBFBD> Ҫ<EFBFBD> á<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һЩ<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> FAQ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 1.5 С<EFBFBD> ڣ<EFBFBD>
<EFBFBD> ۸<EFBFBD>
<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 <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> İ<EFBFBD> Ȩ<EFBFBD> ⡣
1.13)˿<EFBFBD> <EFBFBD> <EFBFBD> PostgreSQL <EFBFBD> <EFBFBD>
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ѱ<EFBFBD> <EFBFBD> PostgreSQL<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ˣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʲô<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ίԱ<EFBFBD> ᣬ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʲô<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ˾<EFBFBD> <EFBFBD>
<EFBFBD> <EFBFBD> ֻ <EFBFBD> ܷ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ---<EFBFBD> <EFBFBD> Ϊһ<EFBFBD> <EFBFBD> Ҳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ǵ<EFBFBD> ȷ<EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD>
ίԱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> CVS<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 飬<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Щ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҫ<EFBFBD> <EFBFBD> Ϊ<EFBFBD> ˽<EFBFBD> <EFBFBD> й<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ƕ<EFBFBD> Pos
tgreSQL<EFBFBD> <EFBFBD> <EFBFBD> п<EFBFBD> <EFBFBD> ƣ<EFBFBD> PostgreSQL<EFBFBD> <EFBFBD> Ŀ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> κ<EFBFBD> <EFBFBD> ˾<EFBFBD>
<EFBFBD> ɲμӵĿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ա<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> û<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ƶģ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҫ<EFBFBD> <EFBFBD> <EFBFBD> ľ<EFBFBD> <EFBFBD> Ǽ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʼ<EFBFBD> <EFBFBD> б<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ۼ<EFBFBD> <EFBFBD> ɣ<EFBFBD> Ҫ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> PostgreSQL<EFBFBD> Ŀ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Developer's FAQ <EFBFBD> <EFBFBD> ȡ<EFBFBD> <EFBFBD> Ϣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
_________________________________________________________________
<EFBFBD> û<EFBFBD> <EFBFBD> ͻ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
2.1)<EFBFBD> <EFBFBD> <EFBFBD> ǿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʲô<EFBFBD> <EFBFBD> <EFBFBD> Ժ<EFBFBD> PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
PostgreSQL(ȱʡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> )ֻ <EFBFBD> <EFBFBD> װ<EFBFBD> <EFBFBD> C<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ǶʽC<EFBFBD> Ľӿڣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ľӿڶ<EFBFBD> <EFBFBD> Ƕ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ŀ
<EFBFBD> <EFBFBD> <EFBFBD> ܹ <EFBFBD> <EFBFBD> ֱ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> أ<EFBFBD> <EFBFBD> <EFBFBD> Щ<EFBFBD> ӿ<EFBFBD> <EFBFBD> <EFBFBD> Ŀ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ĺô<EFBFBD>
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ǿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> и<EFBFBD> <EFBFBD> Եķ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ƻ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Զ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ŀ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 顣
һЩ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> PHP<EFBFBD> <EFBFBD> <EFBFBD> з<EFBFBD> <EFBFBD> <EFBFBD> PostgreSQL
<EFBFBD> Ľӿڣ<EFBFBD> Perl,TCL,Python<EFBFBD> Լ<EFBFBD> <EFBFBD> ܶ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ԵĽӿ<EFBFBD> <EFBFBD> <EFBFBD>
http://gborg.postgresql.org <EFBFBD> ϵ<EFBFBD> Drivers/InterfacesС<EFBFBD> ڿ<EFBFBD> <EFBFBD> ҵ<EFBFBD> <EFBFBD> <EFBFBD>
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͨ <EFBFBD> <EFBFBD> Internet<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
2.2)<EFBFBD> <EFBFBD> ʲô<EFBFBD> <EFBFBD> <EFBFBD> ߿<EFBFBD> <EFBFBD> <EFBFBD> PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Web ҳ<EFBFBD> 棿
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<EFBFBD> <EFBFBD> <EFBFBD> ǣ<EFBFBD> http://www.webreview.com<EFBFBD> <EFBFBD>
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Web <EFBFBD> <EFBFBD> <EFBFBD> ɣ<EFBFBD> PHP <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> õĽӿڡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڣ<EFBFBD> http://www.php.net/<EFBFBD> <EFBFBD>
<EFBFBD> <EFBFBD> <EFBFBD> ڸ<EFBFBD> <EFBFBD> ӵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ܶ <EFBFBD> <EFBFBD> ˲<EFBFBD> <EFBFBD> <EFBFBD> Perl <EFBFBD> ӿں<EFBFBD> CGI.pm <EFBFBD> <EFBFBD> mod_perl <EFBFBD> <EFBFBD>
2.3)PostgreSQL ӵ<EFBFBD> <EFBFBD> ͼ<EFBFBD> <EFBFBD> <EFBFBD> û<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
<EFBFBD> ǵģ<EFBFBD> <EFBFBD> <EFBFBD>
http://techdocs.postgresql.org/guides/GUITools<EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ϸ<EFBFBD> <EFBFBD> <EFBFBD> б<EFBFBD> <EFBFBD> <EFBFBD>
_________________________________________________________________
ϵͳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
3.1)<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ܰ <EFBFBD> PostgreSQL װ<EFBFBD> <EFBFBD> /usr/local/pgsql <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ĵط<EFBFBD> <EFBFBD> <EFBFBD>
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> configure ʱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> --prefix ѡ<EFBFBD>
3.2)<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ο<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ӣ<EFBFBD>
ȱʡʱ<EFBFBD> <EFBFBD> PostgreSQL ֻ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͨ <EFBFBD> <EFBFBD> unix
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֻ <EFBFBD> TCP/IP<EFBFBD> <EFBFBD> ʽ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ա<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> ļ<EFBFBD> postgresql.conf<EFBFBD> е<EFBFBD> listen_addresses<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
ļ<EFBFBD> pg_hba.conf<EFBFBD> д<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϊ<EFBFBD> <EFBFBD> <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> <EFBFBD> PostgreSQL<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Dz<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> PostgreSQL
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ӵġ<EFBFBD>
3.3)<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>
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҫ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> PostgreSQL<EFBFBD> <EFBFBD> DZ<EFBFBD> ܡ<EFBFBD>
<EFBFBD> <EFBFBD> ѯ<EFBFBD> <EFBFBD> ʽ<EFBFBD> ı仯
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҫ<EFBFBD> 漰<EFBFBD> IJ<EFBFBD> ѯ<EFBFBD> <EFBFBD> ʽ<EFBFBD> Ի<EFBFBD> ȡ<EFBFBD> <EFBFBD> <EFBFBD> õ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> :
+ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʽ<EFBFBD> Ͳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
+ ʹ<EFBFBD> <EFBFBD> COPY<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Insert<EFBFBD> <EFBFBD> <EFBFBD> 䣻
+ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> SQL<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Լ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ύ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ŀ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
+ <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ȡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ¼ʱʹ<EFBFBD> <EFBFBD> CLUSTER<EFBFBD> <EFBFBD>
+ <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ѯ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ȡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ּ <EFBFBD> ¼ʱʹ<EFBFBD> <EFBFBD> LIMIT<EFBFBD> <EFBFBD>
+ ʹ<EFBFBD> <EFBFBD> Ԥ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʽ<EFBFBD> <EFBFBD> ѯ<EFBFBD> <EFBFBD> Prepared Query)<EFBFBD> <EFBFBD>
+ ʹ<EFBFBD> <EFBFBD> ANALYZE<EFBFBD> Ա<EFBFBD> <EFBFBD> ־<EFBFBD> ȷ<EFBFBD> <EFBFBD> <EFBFBD> Ż<EFBFBD> ͳ<EFBFBD> ƣ<EFBFBD>
+ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ<EFBFBD> <EFBFBD> VACUUM <EFBFBD> <EFBFBD> pg_autovacuum
+ <EFBFBD> <EFBFBD> <EFBFBD> д<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݸ<EFBFBD> <EFBFBD> <EFBFBD> ʱ<EFBFBD> <EFBFBD> ɾ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ȼ<EFBFBD> <EFBFBD> <EFBFBD> ؽ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ļ<EFBFBD> postgres.conf<EFBFBD> еĺܶ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ö<EFBFBD> <EFBFBD> <EFBFBD> Ӱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ܣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> в<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> б<EFBFBD> <EFBFBD> <EFBFBD>
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Administration Guide/Server Run-time Environment/Run-time
Configuration<EFBFBD> <EFBFBD> <EFBFBD> йز<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ľ<EFBFBD> <EFBFBD> Ϳɼ<EFBFBD> <EFBFBD> <EFBFBD>
http://www.varlena.com/varlena/GeneralBits/Tidbits/annotated_co
nf_e.html <EFBFBD> <EFBFBD>
http://www.varlena.com/varlena/GeneralBits/Tidbits/perf.html<EFBFBD> <EFBFBD>
Ӳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ѡ<EFBFBD> <EFBFBD>
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ӳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ܵ <EFBFBD> Ӱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
http://candle.pha.pa.us/main/writings/pgsql/hw_performance/inde
x.html <EFBFBD> <EFBFBD> http://www.powerpostgresql.com/PerfList/<EFBFBD> <EFBFBD>
3.4)PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ի<EFBFBD> <EFBFBD> <EFBFBD> ʲô<EFBFBD> <EFBFBD> <EFBFBD> ĵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ԣ<EFBFBD>
PostgreSQL <EFBFBD> кܶ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> log_*
<EFBFBD> ķ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ñ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڲ<EFBFBD> ѯ<EFBFBD> Ĵ<EFBFBD> ӡ<EFBFBD> ͽ<EFBFBD> <EFBFBD> <EFBFBD> ͳ<EFBFBD> ƣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Щ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ե<EFBFBD> <EFBFBD> Ժ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ܲ <EFBFBD> <EFBFBD> <EFBFBD>
<EFBFBD> <EFBFBD> <EFBFBD> а<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
3.5)Ϊʲô<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͼ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʱ<EFBFBD> յ<EFBFBD> <EFBFBD> <EFBFBD> Sorry, too many clients<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϣ<EFBFBD> <EFBFBD>
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʾ<EFBFBD> <EFBFBD> <EFBFBD> Ѵﵽȱʡ100<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ̨ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ƣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҫͨ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> postgresql.
conf<EFBFBD> ļ<EFBFBD> <EFBFBD> е<EFBFBD> max_connectionsֵ <EFBFBD> <EFBFBD>
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> postmaster<EFBFBD> ĺ<EFBFBD> ̨ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ĺ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> postmaster<EFBFBD> <EFBFBD>
3.6)ΪʲôҪ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> PostgreSQL <EFBFBD> <EFBFBD> Ҫ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 汾ʱ<EFBFBD> <EFBFBD> dump <EFBFBD> <EFBFBD> restore <EFBFBD> <EFBFBD>
PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ÿ<EFBFBD> <EFBFBD> С<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ˽<EFBFBD> <EFBFBD> ٵ<EFBFBD> <EFBFBD> ģ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ˴<EFBFBD> 7.4.0 <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
7.4.1 <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҫ dump <EFBFBD> <EFBFBD> restore<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҫ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 7.3 <EFBFBD> <EFBFBD>
7.4<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>
3.7)(ʹ<EFBFBD> <EFBFBD> PostgreSQL)<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҫʹ<EFBFBD> <EFBFBD> ʲô<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ӳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
<EFBFBD> <EFBFBD> <EFBFBD> ڼ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ӳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ǽ<EFBFBD> <EFBFBD> ݵģ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> м<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ӳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҳ<EFBFBD> <EFBFBD>
<EFBFBD> <EFBFBD> ͬ <EFBFBD> ġ<EFBFBD> <EFBFBD> <EFBFBD> ʵ<EFBFBD> ϲ<EFBFBD> <EFBFBD> ǣ<EFBFBD> ECC RAM<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> żУ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڴ棩<EFBFBD> <EFBFBD> SCSI
<EFBFBD> <EFBFBD> Ӳ<EFBFBD> ̣ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һЩ<EFBFBD> <EFBFBD> <EFBFBD> ˻<EFBFBD> Ҫ<EFBFBD> <EFBFBD> <EFBFBD> ӿɿ<EFBFBD> <EFBFBD> Ҿ<EFBFBD> <EFBFBD> и<EFBFBD> <EFBFBD> õ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ܡ<EFBFBD> PostgreSQL
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> κ<EFBFBD> Ӳ<EFBFBD> <EFBFBD> <EFBFBD> ϣ<EFBFBD>
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ɿ<EFBFBD> <EFBFBD> Ժ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ܶ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ϵͳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҫ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҫȫ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> о<EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ӳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
<EFBFBD> ˡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ǵ<EFBFBD> <EFBFBD> ʼ<EFBFBD> <EFBFBD> б<EFBFBD> <EFBFBD> <EFBFBD> Ҳ<EFBFBD> й<EFBFBD> <EFBFBD> <EFBFBD> Ӳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ú<EFBFBD> <EFBFBD> Լ۱ȵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ۡ <EFBFBD>
_________________________________________________________________
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
4.1)<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֻ ѡ<EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ѯ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͷ<EFBFBD> <EFBFBD> <EFBFBD> У<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> У<EFBFBD>
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֻ <EFBFBD> <EFBFBD> Ҫ<EFBFBD> <EFBFBD> ȡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ִ <EFBFBD> в<EFBFBD> ѯ<EFBFBD> <EFBFBD> ֪ <EFBFBD> <EFBFBD> ȷ<EFBFBD> е<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ<EFBFBD> <EFBFBD>
LIMIT<EFBFBD> <EFBFBD> <EFBFBD> ܡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ORDER BY<EFBFBD> е<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ƥ<EFBFBD> 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> <EFBFBD> <EFBFBD> ѯ<EFBFBD> <EFBFBD> <EFBFBD> д<EFBFBD> <EFBFBD> <EFBFBD> ֱ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҫ<EFBFBD> <EFBFBD> <EFBFBD> У<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ִ <EFBFBD> в<EFBFBD> ѯ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʱ<EFBFBD> <EFBFBD> ֪
<EFBFBD> <EFBFBD> ȷ<EFBFBD> еļ<EFBFBD> ¼<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ<EFBFBD> <EFBFBD> <EFBFBD> α<EFBFBD> (cursor)<EFBFBD> <EFBFBD> FETCH<EFBFBD> <EFBFBD> <EFBFBD> ܡ<EFBFBD>
<EFBFBD> <EFBFBD> ʹ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ·<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ȡһ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ¼<EFBFBD> ģ<EFBFBD>
SELECT cols
FROM tab
ORDER BY random()
LIMIT 1 ;
4.2)<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<EFBFBD> <EFBFBD> <EFBFBD> β鿴psql<EFBFBD> <EFBFBD> <EFBFBD> õ<EFBFBD> <EFBFBD> IJ<EFBFBD> ѯָ <EFBFBD> <EFBFBD>
<EFBFBD> ʾ<EFBFBD> <EFBFBD> <EFBFBD> ǣ<EFBFBD>
<EFBFBD> <EFBFBD> psql<EFBFBD> <EFBFBD> ʹ<EFBFBD> <EFBFBD> \dt
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʾ<EFBFBD> <EFBFBD> <EFBFBD> ݱ<EFBFBD> <EFBFBD> Ķ<EFBFBD> <EFBFBD> 壬Ҫ<EFBFBD> ˽<EFBFBD> psql<EFBFBD> е<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> б<EFBFBD> <EFBFBD> <EFBFBD> ʹ<EFBFBD> <EFBFBD> \?
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ⣬<EFBFBD> <EFBFBD> Ҳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ķ<EFBFBD> psql <EFBFBD> <EFBFBD> Դ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
<EFBFBD> ļ<EFBFBD> pgsql/src/bin/psql/describe.c<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϊ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> psql<EFBFBD> <EFBFBD> б<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
<EFBFBD> <EFBFBD> <EFBFBD> SQL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 㻹<EFBFBD> <EFBFBD> <EFBFBD> Դ<EFBFBD> -E ѡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> psql<EFBFBD> <EFBFBD>
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ӡ<EFBFBD> <EFBFBD> ִ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> psql<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڲ<EFBFBD> ʵ<EFBFBD> <EFBFBD> ʹ<EFBFBD> õ<EFBFBD> SQL<EFBFBD> <EFBFBD> ѯ<EFBFBD> <EFBFBD> Postg
reSQLҲ<EFBFBD> ṩ<EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> SQL<EFBFBD> <EFBFBD> INFORMATION SCHEMA<EFBFBD> ӿڣ<EFBFBD>
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Դ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ȡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϣ<EFBFBD> <EFBFBD>
<EFBFBD> <EFBFBD> ϵͳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һЩ<EFBFBD> <EFBFBD> pg_ <EFBFBD> <EFBFBD> ͷ<EFBFBD> <EFBFBD> ϵͳ<EFBFBD> <EFBFBD> Ҳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ˱<EFBFBD> <EFBFBD> Ķ<EFBFBD> <EFBFBD> 塣
ʹ<EFBFBD> <EFBFBD> psql -l ָ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> г<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> е<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݿ⡣
Ҳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD>
pgsql/src/tutorial/syscat.source<EFBFBD> ļ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> о<EFBFBD> <EFBFBD> ˺ܶ <EFBFBD> <EFBFBD> ɴ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݿ<EFBFBD> ϵͳ<EFBFBD> <EFBFBD> <EFBFBD> л<EFBFBD>
ȡ<EFBFBD> <EFBFBD> Ϣ<EFBFBD> <EFBFBD> SELECT<EFBFBD> <EFBFBD> <EFBFBD>
4.3)<EFBFBD> <EFBFBD> <EFBFBD> θ<EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> ֶ ε<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͣ <EFBFBD>
<EFBFBD> <EFBFBD> 8.0<EFBFBD> 汾<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> ֶ ε<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͺ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ף<EFBFBD> <EFBFBD> <EFBFBD> ʹ<EFBFBD> <EFBFBD> ALTER TABLE ALTER
COLUMN TYPE <EFBFBD> <EFBFBD>
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ǰ<EFBFBD> İ汾<EFBFBD> У<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
BEGIN;
ALTER TABLE tab ADD COLUMN new_col new_data_type;
UPDATE tab SET new_col = CAST(old_col AS new_data_type);
ALTER TABLE tab DROP COLUMN old_col;
COMMIT;
<EFBFBD> <EFBFBD> Ȼ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ<EFBFBD> <EFBFBD> VACUUM FULL tab ָ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹϵͳ<EFBFBD> ջ<EFBFBD> <EFBFBD> <EFBFBD> Ч<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ռ<EFBFBD> õĿռ䡣
4.4)һ<EFBFBD> м<EFBFBD> ¼<EFBFBD> <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>
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һЩ<EFBFBD> <EFBFBD> <EFBFBD> ƣ<EFBFBD>
һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ߴ磿 <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ƣ<EFBFBD> <EFBFBD> Ѵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 32TB <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݿ⣩
һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ߴ磿 32 TB
һ<EFBFBD> м<EFBFBD> ¼<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ߴ磿 1.6 TB
һ<EFBFBD> <EFBFBD> <EFBFBD> ֶ ε<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ߴ<EFBFBD> ? 1 GB
һ<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> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 250-1600 <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> йأ<EFBFBD>
һ<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> 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䡢<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڴ<EFBFBD> /<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
<EFBFBD> Լ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʵ<EFBFBD> ϣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Щ<EFBFBD> <EFBFBD> ֵ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 쳣<EFBFBD> ش<EFBFBD> ʱ<EFBFBD> <EFBFBD> ϵͳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҳ<EFBFBD> <EFBFBD> <EFBFBD> ܺ ܴ <EFBFBD> Ӱ<EFBFBD> 졣
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ߴ<EFBFBD> 32 TB <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҫ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ϵͳ<EFBFBD> Դ<EFBFBD> <EFBFBD> ļ<EFBFBD> <EFBFBD> <EFBFBD> ֧ <EFBFBD> ֡ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ö<EFBFBD> <EFBFBD> <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>
<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> <EFBFBD> <EFBFBD> ӵ<EFBFBD> <EFBFBD> ı<EFBFBD> <EFBFBD> <EFBFBD>
4.5)<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䣿
һ<EFBFBD> <EFBFBD> Postgres
<EFBFBD> <EFBFBD> <EFBFBD> ݿ⣨<EFBFBD> 洢һ<EFBFBD> <EFBFBD> <EFBFBD> ı<EFBFBD> <EFBFBD> ļ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ռ<EFBFBD> õĿռ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҫ<EFBFBD> ൱<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ı<EFBFBD> <EFBFBD> ļ<EFBFBD> <EFBFBD> <EFBFBD>
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> С5<EFBFBD> <EFBFBD> <EFBFBD> Ĵ<EFBFBD> <EFBFBD> ̿ ռ䡣
<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> Ϊ20<EFBFBD> ֽ ڡ<EFBFBD> <EFBFBD> ı<EFBFBD> <EFBFBD> ļ<EFBFBD> ռ<EFBFBD> <EFBFBD> 2.8 MB<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Щ<EFBFBD> <EFBFBD> <EFBFBD> ݵ<EFBFBD>
PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> ݿ<EFBFBD> <EFBFBD> ļ<EFBFBD> <EFBFBD> <EFBFBD> Լ<EFBFBD> <EFBFBD> 6.4 MB:
32 <EFBFBD> ֽ <EFBFBD> : ÿ<EFBFBD> е<EFBFBD> ͷ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֵ <EFBFBD> <EFBFBD>
24 <EFBFBD> ֽ <EFBFBD> : һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֶ κ<EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> ı<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֶ <EFBFBD>
+ 4 <EFBFBD> ֽ <EFBFBD> : ҳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ָ <EFBFBD> <EFBFBD> Ԫ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ָ <EFBFBD> <EFBFBD>
----------------------------------------
60 <EFBFBD> ֽ <EFBFBD> ÿ<EFBFBD> <EFBFBD>
PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ҳ<EFBFBD> Ĵ<EFBFBD> С<EFBFBD> <EFBFBD> 8192 <EFBFBD> ֽ <EFBFBD> (8 KB)<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
8192 <EFBFBD> ֽ <EFBFBD> ÿҳ
------------------- = 136 <EFBFBD> <EFBFBD> /<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ҳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ȡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
60 <EFBFBD> ֽ <EFBFBD> ÿ<EFBFBD> <EFBFBD>
100000 <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
-------------------- = 735 <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ҳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ȡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
128 <EFBFBD> <EFBFBD> ÿҳ
735 <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ҳ * 8192 <EFBFBD> ֽ <EFBFBD> /ҳ = 6,021,120 <EFBFBD> ֽ ڣ<EFBFBD> 6 MB<EFBFBD> <EFBFBD>
<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> <EFBFBD> <EFBFBD>
<EFBFBD> <EFBFBD> ֵ NULL<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> λͼ<EFBFBD> У<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ռ<EFBFBD> ú<EFBFBD> <EFBFBD> ٵĿռ䡣
4.6)Ϊʲô<EFBFBD> ҵIJ<EFBFBD> ѯ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϊʲô<EFBFBD> <EFBFBD> Щ<EFBFBD> <EFBFBD> ѯû<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
<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> Сֵ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҳ<EFBFBD> ѯֻ
<EFBFBD> <EFBFBD> ѡ<EFBFBD> б<EFBFBD> <EFBFBD> н<EFBFBD> С<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ļ<EFBFBD> ¼ʱ<EFBFBD> Ż<EFBFBD> <EFBFBD> <EFBFBD> <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<EFBFBD> <EFBFBD> <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> ĸ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ռ<EFBFBD> <EFBFBD> <EFBFBD>
<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
<EFBFBD> <EFBFBD> <EFBFBD> ǣ<EFBFBD> <EFBFBD> <EFBFBD> LIMIT <EFBFBD> <EFBFBD> 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> Ϊ<EFBFBD> <EFBFBD> ֻ <EFBFBD> ᷵ <EFBFBD> ر<EFBFBD> <EFBFBD> <EFBFBD> һС<EFBFBD> <EFBFBD> <EFBFBD> ֡ <EFBFBD> ʵ<EFBFBD> <EFBFBD> <EFBFBD> ϣ<EFBFBD> <EFBFBD> <EFBFBD> Ȼ MAX() <EFBFBD> <EFBFBD> MIN()
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͨ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ORDER BY <EFBFBD> <EFBFBD> LLIMIT
ʹ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ȡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֵ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Сֵ Ҳ<EFBFBD> ǿ<EFBFBD> <EFBFBD> Եģ<EFBFBD>
SELECT col
FROM tab
ORDER BY col [ DESC ]
LIMIT 1;
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ȷ<EFBFBD> <EFBFBD> PostgreSQL<EFBFBD> <EFBFBD> <EFBFBD> Ż<EFBFBD> <EFBFBD> <EFBFBD> ʹ<EFBFBD> <EFBFBD> ˳<EFBFBD> <EFBFBD> ɨ<EFBFBD> <EFBFBD> <EFBFBD> Dz<EFBFBD> <EFBFBD> <EFBFBD> ȷ<EFBFBD> ģ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ<EFBFBD> <EFBFBD> SET
enable_seqscan TO 'off'ָ <EFBFBD>
Ȼ<EFBFBD> <EFBFBD> <EFBFBD> ٴ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> в<EFBFBD> ѯ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϳ<EFBFBD> <EFBFBD> Կ<EFBFBD> <EFBFBD> <EFBFBD> ʹ<EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ɨ<EFBFBD> <EFBFBD> <EFBFBD> Ƿ<EFBFBD> ȷʵҪ<EFBFBD> <EFBFBD> һЩ<EFBFBD> <EFBFBD>
<EFBFBD> <EFBFBD> ʹ<EFBFBD> <EFBFBD> ͨ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> LIKE <EFBFBD> <EFBFBD> ~ 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>
* <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>
+ LIKE ģʽ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> % <EFBFBD> <EFBFBD> ͷ<EFBFBD> <EFBFBD>
+ ~ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʽ<EFBFBD> <EFBFBD> ģʽ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ^ <EFBFBD> <EFBFBD> ͷ<EFBFBD> <EFBFBD>
* <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]<EFBFBD> <EFBFBD>
* <EFBFBD> <EFBFBD> Сд<EFBFBD> صIJ<EFBFBD> <EFBFBD> ң<EFBFBD> <EFBFBD> <EFBFBD> ILIKE <EFBFBD> <EFBFBD> ~* <EFBFBD> Ȳ<EFBFBD> ʹ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 4.8
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ĺ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
* <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> initdb ʱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ȱʡ<EFBFBD> ı<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> C
locale<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϊϵͳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֪ <EFBFBD> <EFBFBD> <EFBFBD> ڷ<EFBFBD> C locale<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʱ<EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ַ <EFBFBD> <EFBFBD> <EFBFBD> ʲô<EFBFBD> <EFBFBD>
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> £<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Դ<EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> text_pattern_ops<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> LIKE<EFBFBD> <EFBFBD>
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
<EFBFBD> <EFBFBD> 8.0֮ ǰ<EFBFBD> İ汾<EFBFBD> У<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҫ<EFBFBD> <EFBFBD> ѯ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͺ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ƥ<EFBFBD> 䣬<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> δ<EFBFBD> <EFBFBD> <EFBFBD> õ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ر<EFBFBD> <EFBFBD> Ƕ<EFBFBD> int2,int8<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֵ <EFBFBD> ͵<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
4.7)<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> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ҵIJ<EFBFBD> ѯ<EFBFBD> <EFBFBD>
<EFBFBD> ο<EFBFBD> EXPLAIN <EFBFBD> ֲ <EFBFBD> ҳ<EFBFBD> <EFBFBD>
4.8)<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʽ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ<EFBFBD> Сд<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> <EFBFBD>
<EFBFBD> д<EFBFBD> ز<EFBFBD> <EFBFBD> ң<EFBFBD>
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ~ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʽƥ<EFBFBD> 䣬<EFBFBD> <EFBFBD> ~*
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Сд<EFBFBD> ص<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʽƥ<EFBFBD> 䡣<EFBFBD> <EFBFBD> дЩ<EFBFBD> ص<EFBFBD> LIKE <EFBFBD> <EFBFBD> <EFBFBD> ֳ <EFBFBD> Ϊ ILIKE<EFBFBD> <EFBFBD>
<EFBFBD> <EFBFBD> Сд<EFBFBD> صĵ<EFBFBD> ʽ<EFBFBD> Ƚ<EFBFBD> ͨ <EFBFBD> <EFBFBD> д<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
SELECT *
FROM tab
WHERE lower(col) = 'abc';
<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> :
CREATE INDEX tabindex ON tab (lower(col));
4.9)<EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ѯ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> ֶ <EFBFBD> <EFBFBD> Ƿ<EFBFBD> Ϊ NULL
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> β<EFBFBD> <EFBFBD> <EFBFBD> ȷ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ij<EFBFBD> ֶ <EFBFBD> <EFBFBD> Ƿ<EFBFBD> <EFBFBD> <EFBFBD> NULL ֵ <EFBFBD> <EFBFBD>
<EFBFBD> <EFBFBD> IS NULL <EFBFBD> <EFBFBD> IS NOT NULL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֶ Σ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 巽<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> £<EFBFBD>
SELECT *
FROM tab
WHERE col IS NULL;
Ϊ<EFBFBD> <EFBFBD> <EFBFBD> ܶ Ժ<EFBFBD> NULL<EFBFBD> ֶ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ORDER BY <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ<EFBFBD> <EFBFBD> IS NULL<EFBFBD> <EFBFBD> IS NOT
NULL <EFBFBD> <EFBFBD> <EFBFBD> η<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϊ<EFBFBD> <EFBFBD> true <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϊ<EFBFBD> <EFBFBD> false
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ǰ<EFBFBD> 棬<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ӾͻὫ<EFBFBD> <EFBFBD> NULL <EFBFBD> ļ<EFBFBD> ¼<EFBFBD> <EFBFBD> <EFBFBD> ڽ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 沿<EFBFBD> ֣ <EFBFBD>
SELECT *
FROM tab
ORDER BY (col IS NOT NULL)
4.10)<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ַ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֮ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʲô<EFBFBD> <EFBFBD> ͬ <EFBFBD> <EFBFBD>
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڲ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ˵<EFBFBD> <EFBFBD>
VARCHAR(n) 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>
CHAR(n) 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>
TEXT text û<EFBFBD> <EFBFBD> <EFBFBD> ر<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ƣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> е<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ƣ<EFBFBD>
BYTEA bytea <EFBFBD> 䳤<EFBFBD> ֽ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> У<EFBFBD> ʹ<EFBFBD> <EFBFBD> NULLҲ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ģ<EFBFBD>
"char" char һ<EFBFBD> <EFBFBD> <EFBFBD> ַ <EFBFBD>
<EFBFBD> <EFBFBD> ϵͳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һЩ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϣ<EFBFBD> <EFBFBD> <EFBFBD> 㽫<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڲ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ơ<EFBFBD>
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> е<EFBFBD> ǰ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> "varlena"<EFBFBD> <EFBFBD> <EFBFBD> 䳤<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͣ <EFBFBD> Ҳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ˵<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͷ<EFBFBD> <EFBFBD> <EFBFBD> ĸ<EFBFBD> <EFBFBD> ֽ <EFBFBD> <EFBFBD>
dz<EFBFBD> <EFBFBD> ȣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʵ<EFBFBD> <EFBFBD> ռ<EFBFBD> õĿռ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ĵ<EFBFBD> СҪ<EFBFBD> <EFBFBD> һЩ<EFBFBD> <EFBFBD>
Ȼ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Щ<EFBFBD> <EFBFBD> <EFBFBD> Ͷ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ա<EFBFBD> ѹ<EFBFBD> <EFBFBD> <EFBFBD> 洢<EFBFBD> <EFBFBD> Ҳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> TOAST
<EFBFBD> ѻ<EFBFBD> <EFBFBD> 洢<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ˴<EFBFBD> <EFBFBD> ̿ ռ<EFBFBD> Ҳ<EFBFBD> <EFBFBD> <EFBFBD> ܱ <EFBFBD> Ԥ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҫ<EFBFBD> ١<EFBFBD>
VARCHAR(n) <EFBFBD> ڴ洢<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ȵı䳤<EFBFBD> ַ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> õġ<EFBFBD> TEXT
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڴ洢<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ɴ<EFBFBD> 1G<EFBFBD> <EFBFBD> <EFBFBD> ҵ<EFBFBD> δ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ƴ<EFBFBD> <EFBFBD> ȵ<EFBFBD> <EFBFBD> ַ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
CHAR(n) <EFBFBD> <EFBFBD> <EFBFBD> ʺ<EFBFBD> <EFBFBD> ڴ洢<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͬ <EFBFBD> <EFBFBD> <EFBFBD> ַ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
CHAR(n)<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֶ γ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Կո<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 㣨<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֶ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
VARCHAR(n) ֻ <EFBFBD> 洢<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݡ<EFBFBD> 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> ֽ ڵ<EFBFBD> ֵ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Щ<EFBFBD> <EFBFBD> <EFBFBD> ;<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ƶ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ԡ<EFBFBD>
4.11.1)<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> к<EFBFBD> /<EFBFBD> Զ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֶ Σ<EFBFBD>
PostgreSQL ֧ <EFBFBD> <EFBFBD> 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> 磺
CREATE TABLE person (
id SERIAL,
name TEXT
);
<EFBFBD> <EFBFBD> <EFBFBD> Զ<EFBFBD> ת<EFBFBD> <EFBFBD> Ϊ<EFBFBD> <EFBFBD>
CREATE SEQUENCE person_id_seq;
CREATE TABLE person (
id INT4 NOT NULL DEFAULT nextval('person_id_seq'),
name TEXT
);
<EFBFBD> ο<EFBFBD> create_sequence <EFBFBD> ֲ <EFBFBD> ҳ<EFBFBD> <EFBFBD> ȡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> еĸ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϣ<EFBFBD> <EFBFBD>
4.11.2)<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>
һ<EFBFBD> ַ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڲ<EFBFBD> <EFBFBD> <EFBFBD> ֮ ǰ<EFBFBD> <EFBFBD> <EFBFBD> ú<EFBFBD> <EFBFBD> <EFBFBD> nextval() <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ж<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> SERIAL
ֵ <EFBFBD> <EFBFBD> Ȼ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʽ<EFBFBD> <EFBFBD> <EFBFBD> 롣ʹ<EFBFBD> <EFBFBD> 4.11.1 <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>
new_id = execute("SELECT nextval('person_id_seq')");
execute("INSERT INTO person (id, name) VALUES (new_id, 'Blaise Pascal')");
<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 <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֵ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 磬<EFBFBD> <EFBFBD> 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 <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ƽ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
<table>_<serialcolumn>_seq<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> table <EFBFBD> <EFBFBD> serialcolumn
<EFBFBD> ֱ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ı<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ƺ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> SERIAL <EFBFBD> ֶ ε<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ơ<EFBFBD>
<EFBFBD> <EFBFBD> <EFBFBD> Ƶģ<EFBFBD> <EFBFBD> <EFBFBD> SERIAL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ȱʡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ú<EFBFBD> <EFBFBD> <EFBFBD> currval() <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ո<EFBFBD> ֵ <EFBFBD> <EFBFBD>
SERIAL ֵ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 磺
execute("INSERT INTO person (name) VALUES ('Blaise Pascal')");
new_id = execute("SELECT currval('person_id_seq')");
4.11.3)ʹ<EFBFBD> <EFBFBD> currval() <EFBFBD> ᵼ<EFBFBD> º<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> û<EFBFBD> <EFBFBD> ij<EFBFBD> ͻ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> race condition<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
<EFBFBD> <EFBFBD> <EFBFBD> ᡣcurrval() <EFBFBD> <EFBFBD> <EFBFBD> ص<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 㱾<EFBFBD> λỰ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֵ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> û<EFBFBD> <EFBFBD> ĵ<EFBFBD> ǰֵ <EFBFBD> <EFBFBD>
4.11.4)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> <EFBFBD>
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> أ<EFBFBD>
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> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͻᵼ<EFBFBD> <EFBFBD> <EFBFBD> 쳣<EFBFBD> <EFBFBD> ֹ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> кŻ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ּ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
4.12)ʲô<EFBFBD> <EFBFBD> OID <EFBFBD> <EFBFBD> ʲô<EFBFBD> <EFBFBD> CTID <EFBFBD> <EFBFBD>
PostgreSQL
<EFBFBD> ﴴ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ÿһ<EFBFBD> м<EFBFBD> ¼<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> Ψһ<EFBFBD> <EFBFBD> OID<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڴ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʱʹ<EFBFBD> <EFBFBD> WITHOUT
OIDSѡ<EFBFBD> OID<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʱ<EFBFBD> <EFBFBD> <EFBFBD> Զ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> 4<EFBFBD> ֽ ڵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> OID <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
PostgreSQL <EFBFBD> о<EFBFBD> <EFBFBD> <EFBFBD> Ψһ<EFBFBD> ġ<EFBFBD> Ȼ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڳ<EFBFBD> <EFBFBD> <EFBFBD> 40<EFBFBD> <EFBFBD> ʱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
OID<EFBFBD> ˺<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ظ<EFBFBD> <EFBFBD> <EFBFBD> PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڲ<EFBFBD> ϵͳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ<EFBFBD> <EFBFBD> OID
<EFBFBD> ڱ<EFBFBD> ֮ <EFBFBD> 佨<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ϵ<EFBFBD> <EFBFBD>
<EFBFBD> <EFBFBD> <EFBFBD> û<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݱ<EFBFBD> <EFBFBD> У<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ<EFBFBD> <EFBFBD> SERIAl<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> OID
<EFBFBD> <EFBFBD> ΪSERIALֻ <EFBFBD> DZ<EFBFBD> ֤ <EFBFBD> ڵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ψһ<EFBFBD> ģ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ŀ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ծͷdz<EFBFBD> С<EFBFBD> <EFBFBD>
<EFBFBD> <EFBFBD> SERIAL8<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 8<EFBFBD> ֽ ڵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> к<EFBFBD> <EFBFBD> ֶ Ρ<EFBFBD>
CTID <EFBFBD> <EFBFBD> <EFBFBD> ڱ<EFBFBD> ʶ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݿ飨<EFBFBD> <EFBFBD> ַ <EFBFBD> <EFBFBD> <EFBFBD> ͣ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڣ<EFBFBD> ƫ<EFBFBD> Ƶ<EFBFBD> <EFBFBD> ض<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> С<EFBFBD> CTID
<EFBFBD> ڼ<EFBFBD> ¼<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ļ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> غ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ı䡣<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ָ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> С<EFBFBD>
4.13)Ϊʲô<EFBFBD> <EFBFBD> <EFBFBD> յ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϣ<EFBFBD> <EFBFBD> ERROR: Memory exhausted in AllocSetAlloc()<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
<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<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
ulimit -d 262144
limit datasize 256m
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> <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> п
ͻ<EFBFBD> <EFBFBD> <EFBFBD> ֮ ǰִ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
4.14)<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> β<EFBFBD> <EFBFBD> <EFBFBD> ֪ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> е<EFBFBD> PostgreSQL <EFBFBD> İ汾<EFBFBD> <EFBFBD>
<EFBFBD> <EFBFBD> psql <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> SELECT version();ָ <EFBFBD>
4.15)<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> δ<EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> ȱʡֵ <EFBFBD> ǵ<EFBFBD> ǰʱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֶ Σ<EFBFBD>
ʹ<EFBFBD> <EFBFBD> CURRENT_TIMESTAMP<EFBFBD> <EFBFBD>
CREATE TABLE test (x int, modtime TIMESTAMP DEFAULT CURRENT_TIMESTAMP );
4.16)<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> outer join <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ӣ<EFBFBD> <EFBFBD> <EFBFBD>
PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> ñ<EFBFBD> <EFBFBD> <EFBFBD> SQL <EFBFBD> ֧ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ӡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ӣ<EFBFBD>
SELECT *
FROM t1 LEFT OUTER JOIN t2 ON (t1.col = t2.col);
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
SELECT *
FROM t1 LEFT OUTER JOIN t2 USING (col);
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ȼ۵IJ<EFBFBD> ѯ<EFBFBD> <EFBFBD> t1.col <EFBFBD> <EFBFBD> t2.col <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ӣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ҷ<EFBFBD> <EFBFBD> <EFBFBD> t1
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> δ<EFBFBD> <EFBFBD> <EFBFBD> ӵ<EFBFBD> <EFBFBD> У<EFBFBD> <EFBFBD> <EFBFBD> Щ<EFBFBD> <EFBFBD> t2 <EFBFBD> <EFBFBD> û<EFBFBD> <EFBFBD> ƥ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> У<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> [<EFBFBD> <EFBFBD> ]<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> (RIGHT OUTER
JOIN)<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> t2 <EFBFBD> <EFBFBD> δ<EFBFBD> <EFBFBD> <EFBFBD> ӵ<EFBFBD> <EFBFBD> С<EFBFBD> <EFBFBD> <EFBFBD> ȫ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ӣ<EFBFBD> FULL OUTER JOIN<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> t1
<EFBFBD> <EFBFBD> t2 <EFBFBD> <EFBFBD> δ<EFBFBD> <EFBFBD> <EFBFBD> ӵ<EFBFBD> <EFBFBD> С<EFBFBD> <EFBFBD> ؼ<EFBFBD> <EFBFBD> <EFBFBD> OUTER
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> [<EFBFBD> <EFBFBD> ]<EFBFBD> <EFBFBD> <EFBFBD> ӡ<EFBFBD> <EFBFBD> <EFBFBD> [<EFBFBD> <EFBFBD> ]<EFBFBD> <EFBFBD> <EFBFBD> Ӻ<EFBFBD> <EFBFBD> <EFBFBD> ȫ[<EFBFBD> <EFBFBD> ]<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ǿ<EFBFBD> ѡ<EFBFBD> ģ<EFBFBD> <EFBFBD> <EFBFBD> ͨ <EFBFBD> <EFBFBD> <EFBFBD> ӱ<EFBFBD> <EFBFBD> <EFBFBD> Ϊ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
<EFBFBD> <EFBFBD> INNER JOIN<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
4.17)<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ<EFBFBD> <EFBFBD> <EFBFBD> 漰<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݿ<EFBFBD> <EFBFBD> IJ<EFBFBD> ѯ<EFBFBD> <EFBFBD>
û<EFBFBD> а취<EFBFBD> <EFBFBD> ѯ<EFBFBD> <EFBFBD> ǰ<EFBFBD> <EFBFBD> <EFBFBD> ݿ<EFBFBD> ֮ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݿ⡣ <EFBFBD> <EFBFBD> Ϊ PostgreSQL
Ҫ<EFBFBD> <EFBFBD> <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> <EFBFBD> <EFBFBD> ݿ<EFBFBD> <EFBFBD> IJ<EFBFBD> ѯ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ִ <EFBFBD> <EFBFBD> <EFBFBD> Dz<EFBFBD>
<EFBFBD> <EFBFBD> <EFBFBD> ġ<EFBFBD>
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֵ ģ<EFBFBD> <EFBFBD> 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> û<EFBFBD> Ҳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
ͬ ʱ<EFBFBD> <EFBFBD> <EFBFBD> ӵ<EFBFBD> <EFBFBD> <EFBFBD> ͬ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݿ<EFBFBD> ִ <EFBFBD> в<EFBFBD> ѯȻ<EFBFBD> <EFBFBD> <EFBFBD> ڿͻ<EFBFBD> <EFBFBD> ˺ϲ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
4.18)<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ú<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ض<EFBFBD> <EFBFBD> л<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> У<EFBFBD>
<EFBFBD> ں<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> з<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݼ<EFBFBD> ¼<EFBFBD> <EFBFBD> <EFBFBD> Ĺ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ǻ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ<EFBFBD> õģ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> μ<EFBFBD> <EFBFBD> <EFBFBD>
http://techdocs.postgresql.org/guides/SetReturningFunctions
4.19)Ϊʲô<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ<EFBFBD> <EFBFBD> PL/PgSQL<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ȡ<EFBFBD> <EFBFBD> ʱ<EFBFBD> <EFBFBD> ʱ<EFBFBD> <EFBFBD> <EFBFBD> յ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϣ<EFBFBD> <EFBFBD> relation with
OID ##### does not exist<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
PL/PgSQL<EFBFBD> Ỻ<EFBFBD> 溯<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݣ<EFBFBD> <EFBFBD> ɴ˴<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> õĸ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> 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
<EFBFBD> <EFBFBD> <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> ܻ ᱻ<EFBFBD> <EFBFBD> <EFBFBD> ½<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
4.27)Ŀǰ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Щ<EFBFBD> <EFBFBD> <EFBFBD> ݸ<EFBFBD> <EFBFBD> Ʒ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ã<EFBFBD>
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ơ<EFBFBD> ֻ <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> кü<EFBFBD> <EFBFBD> ָ <EFBFBD> <EFBFBD> Ƽ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ<EFBFBD> ã<EFBFBD> ÿ<EFBFBD> ֶ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ŵ<EFBFBD> <EFBFBD> <EFBFBD> ȱ<EFBFBD> 㣺
<EFBFBD> <EFBFBD> /<EFBFBD> Ӹ<EFBFBD> <EFBFBD> Ʒ<EFBFBD> ʽ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ܶ <EFBFBD> /д<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 룬<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ӷ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֻ <EFBFBD> ܽ <EFBFBD> <EFBFBD> <EFBFBD>
<EFBFBD> <EFBFBD> /SELECT<EFBFBD> <EFBFBD> ѯ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 룬 Ŀǰ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ѵ<EFBFBD> <EFBFBD> <EFBFBD> /<EFBFBD> <EFBFBD> PostgreSQL<EFBFBD> <EFBFBD> <EFBFBD> Ʒ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
Slony-I <EFBFBD> <EFBFBD>
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ĸ<EFBFBD> <EFBFBD> Ʒ<EFBFBD> ʽ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> /д<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 뷢<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ̨ <EFBFBD> ļ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ַ <EFBFBD> ʽ<EFBFBD> <EFBFBD> <EFBFBD>
<EFBFBD> <EFBFBD> <EFBFBD> Ҫ<EFBFBD> ڶ<EFBFBD> ̨ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֮ <EFBFBD> <EFBFBD> ͬ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݱ䶯
<EFBFBD> <EFBFBD> <EFBFBD> ܻ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ص<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʧ<EFBFBD> <EFBFBD> Pgcluster<EFBFBD> <EFBFBD> Ŀǰ<EFBFBD> <EFBFBD> <EFBFBD> ַ <EFBFBD> <EFBFBD> <EFBFBD>
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> õģ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ء<EFBFBD>
Ҳ<EFBFBD> <EFBFBD> һЩ<EFBFBD> <EFBFBD> ҵ<EFBFBD> 踶<EFBFBD> Ѻͻ<EFBFBD> <EFBFBD> <EFBFBD> Ӳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݸ<EFBFBD> <EFBFBD> Ʒ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֧ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ָ <EFBFBD> <EFBFBD> <EFBFBD> ģ<EFBFBD> ͡ <EFBFBD>