sqlserver 查詢一週內數據，查詢每月每天數據

1.依次查詢 最近七天星期幾 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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