[求助]count(*)和count(1)的速度?
如题,哪个快?
2007-04-16 11:44
2007-04-16 11:46
2007-04-16 12:09
2007-04-16 12:23
2007-04-16 12:40
2007-04-16 16:57
2007-04-16 17:19

2007-04-20 21:32