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提高SQL查询效率的方法 #17

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GingerBear opened this issue Jan 24, 2014 · 0 comments
Open

提高SQL查询效率的方法 #17

GingerBear opened this issue Jan 24, 2014 · 0 comments
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@GingerBear
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看到马汉超 @Marco1989 在微博上分享了好文一篇，我在这里转发一下。我也碰到过多表join导致一个查询需要6秒以上，添加索引后效果拔群，瞬间到0.5秒以内。

e2bc9b93jw1ecuiow8ya7j20c82nen5x
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