sql语句1:select count(*) count from T_YhInfo where JFBS = '是'
查询结果:1154
sql语句2:select count(*) count from T_YhInfo where YhName != ''
查询结果:2450
然后我想让第一条sql语句除以第二条sql语句,怎么除不了啊?
我是这样写的:select(select count() count from T_YhInfo where JFBS = '是')/(select count() count from T_YhInfo where YhName != '')
我用的navicat