mysql not operator - Code World

mysql not operator

Others 2021-01-22 23:25:46 views: null

not ，！

select * from  TABLE
WHERE NOT ( val <> kval  OR  val IS NULL  OR  kval IS NULL )

select * from  TABLE
WHERE  !( val <> kval  OR  val IS NULL  OR  kval IS NULL )

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Origin blog.csdn.net/qq_41617901/article/details/110827694

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