do not count all, which is cached. use where ...., then you see the really thing
所有跟贴·加跟贴·新语丝读书论坛
送交者: bullrider 于 2012-06-01, 10:55:20:
回答: 我今天被一个database的速度震撼了 由 梅子 于 2012-06-01, 09:39:25:
所有跟贴:
- 受教了 - 梅子 (70 bytes) 2012-06-01, 11:54:45 (667775)
加跟贴