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mysql奇葩的datediff函数_MySQL

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Release： 2016-05-27 14:12:36
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用过mssql的朋友应该了解datediff函数了，在mssql中，该函数的第一个参数是开始日期，第二个是结束日期，开始日期应该在结束日期之前，这样算出来的结果是大于或等于0的一个数，反之是一个负数，但在mysql中就完全相反，你若想得到一个正数结果，那第一个日期应该填结束日期，第二个参数应该填开始日期，很奇葩的设计。

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