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Posts Tagged With: 操作符
mysql操作符in between
2011/08/14 at 00:57 » Comments (331)
以下三條sql語句的效果是等效的： SELECT * FROM `logs` WHERE id = 1 or id = 2 or id = 3 SELECT * FROM `logs` WHERE id between 1 and 3 SELECT * FROM `logs` WHERE id ...more »