set ANSI_NULLS Off/On

set ANSI_NULLS Off

@id = null   (Good)

set ANSI_NULLS On

@id = null(Never equal)

 

@id is null   (Always run good)

posted on 2010-01-06 11:11  Paul_  阅读(179)  评论(0)    收藏  举报

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