SQL语句怎么查周六周天答:用getdate()可以得到每个星期天,sql查询语句select DATEADD(wk, DATEDIFF(wk,0, dateadd(dd,6-datepart(day,getdate()),getdate()) ), -1)union all select DATEADD(wk, DATEDIFF(wk,0, dateadd(dd,6-datepart(day,getdate()),getdate()) ), 6)union all select DATEADD(wk, DATEDIFF(...