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WHERE (uID IN('2,3'))和有什么区别WHERE (uID IN(2,3))
WHERE (uID IN('2,3'))
WHERE (uID IN(2,3))
第一个仅当uID等于文本字面量时才为真2,3。uID如果在数字上是2or ,则第二个为真3。
uID
2,3
2
3