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msyql中Explain的用法详解(1/3)

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Release： 2016-06-07 17:52:28
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Explain在mysql的作用我想大家都明白,显示了mysql如何使用索引来处理select语句以及连接表。可以帮助选择更好的索引和写出更优化的查询语句。

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