日期:2014-05-18  浏览次数:20670 次

两张表里面查询各自的记录总数
SELECT   count(rz_refer.refer_id)   as   refer,count(rz_client.client_id)   as   fault
FROM   rz_refer,rz_client

从两张表里面查询各自的记录总数,我这样查有什么问题?
我查出的结果总是refer和fault的值相等,应该怎么该?

------解决方案--------------------
SELECT count(rz_refer.refer_id) as refer,(select count(rz_client.client_id) as fault from rz_client)
FROM rz_refer