close Warning: Can't synchronize with repository "(default)" (Unsupported version control system "svn": /usr/lib/python2.7/dist-packages/libsvn/_fs.so: failed to map segment from shared object: Cannot allocate memory). Look in the Trac log for more information.

Changes between Version 3 and Version 4 of jazz/PostgreSQL


Ignore:
Timestamp:
Mar 26, 2018, 10:51:30 AM (8 years ago)
Author:
jazz
Comment:

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  • jazz/PostgreSQL

    v3 v4  
    8787== 查詢同時連線數上限 ==
    8888
     89* 使用 `SHOW` 指令
    8990{{{
    9091postgres=# SHOW max_connections;
    9192}}}
     93* 或從 `pg_settings` 資料表查詢
     94{{{
     95postgres=# SELECT * FROM pg_settings WHERE  name = 'max_connections';
     96}}}