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【原创】MySQL 5.6 MRR 的存储过程完美诠释

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Release: 2016-06-07 17:40:32
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MySQL5.6即将发布,5.6对优化器方面做了诸多优化。我这次主要解释MRR(MULTI-RANGE-READ)。我用存储过程解释了这一过程的改变。大家细心体会去吧。我们针对语句

 MySQL 5.6 即将发布,虚拟主机, 5.6对优化器方面做了诸多优化。 我这次主要解释MRR(MULTI-RANGE-READ)。

 

我用存储过程解释了这一过程的改变。大家细心体会去吧。

 

我们针对语句:

 

  •  

    表结构为:

     

     

     

    首先是MySQL 5.5.

     

     

     

     

     

    下来是MySQL 5.6.

     

     

     

     

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