sqlserver 查询一周内数据，查询每月每天数据

1.依次查询 最近七天星期几 select datename(weekday,getdate()-6) as a, datename(weekday,getdate()-5) as b, datename(weekday,getdate()-4) as c, datename(weekday,getdate()-3) as d, datename(weekday,get

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