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mysql - Hodgepodge #4

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http://47.113.146.19/2024/03/19/mysql/

MySQL一、索引B+ Tree 原理1. 数据结构B Tree 指的是 Balance Tree,也就是平衡树。平衡树是一颗查找树,并且所有叶子节点位于同一层。但是 B Tree 的数据不只是存放在叶子节点。 B+ Tree 是基于 B Tree 和叶子节点顺序访问指针进行实现,它具有 B Tree 的平衡性,并且通过顺序访问指针来提高区间查询的性能。

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