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index-invalidation-caused-by-implicit-conversion.md
本次测试使用的 MySQL 版本是 5.7.26,随着 MySQL 版本的更新某些特性可能会发生改变,本文不代表所述观点和结论于 MySQL 所有版本均准确无误,版本差异请自行甄别。 数据库优化是一个任重而道远的任务,想要做优化必须深入理解数据库的各种特性。在开发过程 ...
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