bug record - is not equal to a certain value, the query does not include attention is null (due to NULL values can not be compared directly with the arithmetic operator for that row in order to also check out NULL, then, only IS NULL.) - Code World

bug record - is not equal to a certain value, the query does not include attention is null (due to NULL values can not be compared directly with the arithmetic operator for that row in order to also check out NULL, then, only IS NULL.)

Others 2019-12-05 10:06:27 views: null

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Origin www.cnblogs.com/shishibuwan/p/11987262.html

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