如何在SQL Server中查询本周 本月 本期, 本年的记录

当天 web select * from T_news where datediff(day,addtime,getdate())=0 最近三天sql select * from T_news where datediff(day,addtime,getdate())<= 2 and datediff(day,addtime,getdate())>= 0 本周svg select * from T

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