select case when dayCount>10 or allCount>50 then '0' else '1' end as isTrue from (select (select count(1) from product where Ptype='1' and datediff(day,getdate(),IssuseTime)=0 and C_ID=@C_ID) dayCount,(select count(1) from product where Ptype='1' and C_ID=@C_ID) allCount) t
高级嵌套的查询sql语句