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‘A’ = N’A’ , will not kill index seek in sqlserver version above 2014 anymore
時間 2020-12-24
欄目
SqlServer
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Thanks to The advisor show us that we can get different behavior when we use condition , ='20000' or N'20000' CODE /*+++++++++++++++++*/ set nocount on go create table dbo.Data ( Id int not null i
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