Percona 對 MySQL Index 效用的基本教學

Percona 好像偶而就會整理一篇類似的文章出來...

這次是對 MySQL 上線後,關於 Index 的設計研究:「Basic Housekeeping for MySQL Indexes」。


  • Unused indexes
  • Duplicated indexes
  • Potentially missing indexes
  • Multiple column indexes order


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