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mysql千万级数据库表优化?

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Release: 2016-06-07 17:50:57
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2.数据项:是否有大字段,那些字段的值是否经常被更新;3.数据查询SQL条件:哪些数据项的列名称经常出现在WHERE、GROUP BY、ORDER BY子句中等;4.数据更新类SQL条件:有多少列经常出现UPDATE或DELETE 的WHERE子句中;

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