select * from Activitylog where ActivityID in (110,120,130)
or
select * from Activitylog where ((ActivityID = 110) or (ActivityID =120) or (ActivityID = 130))
还是一样?
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哪个快?
select * from Activitylog where ActivityID in (110,120,130) or select * from Activitylog where ((ActivityID = 110) or (ActivityID =120) or (ActivityID = 130)) 还是一样?