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如何提高mysql大批量数据更新（update）的效率？

WBOY
Release： 2016-06-06 09:38:48
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mysqlsql

本人所写的sql语句如下：

<code> UPDATE result,tmpSET         result.forward_count=ROUND(tmp.fca_s),        result.comment_count=ROUND(tmp.cca_s),        result.like_count=ROUND(tmp.lca_s)WHERE result.uid=tmp.uid;</code>
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两个表的数据都达到了一百万条，该语句执行起来非常慢，故请问各位，如何提高update效率。

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mysql sql
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