count(1)和count(*) 有啥区别？该怎么解决

2012-02-12

count(1)和count(*) 有啥区别？RT.[解决办法]http://topic.csdn.net/t/20050517/17/4014238.html

count(1)和count(*) 有啥区别？
RT.

[解决办法]
http://topic.csdn.net/t/20050517/17/4014238.html