mysql-优化班学习-8-20170606-MySQL索引
时间:2021-07-01 10:21:17
帮助过:19人阅读
http://imysql.com/2016/01/06/mysql-faq-different-between-btree-and-hash-index.shtml , B+树索引和hash索引的区别
cpu %user很高【管理员】助教-Gakki<anqingye@qq.com> 21:46:1910有8,9是索引使用不当【管理员】助教-Gakki<anqingye@qq.com> 21:46:26如果是cpu的%sys很高
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【管理员】助教-Gakki<anqingye@qq.com> 22:10:59InnoDB引擎,就是ORACLE的IOT表MyISAM引擎,就是ORACLE的HOT表
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【管理员】助教-Gakki<anqingye@qq.com> 22:31:20
https://dev.mysql.com/doc/refman/5.7/en/index-extensions.html
【管理员】助教-Gakki<anqingye@qq.com> 22:31:26
[MySQL FAQ]系列 — 为什么InnoDB表要建议用自增列做主键,http://imysql.com/2014/09/14/mysql-faq-why-innodb-table-using-autoinc-int-as-pk.shtml
【管理员】助教-Gakki<anqingye@qq.com> 22:31:31
[MySQL优化案例]系列 -- InnoDB主键设计,http://imysql.com/2010/08/03/sth_about_innodb_primary_key_design.html
mysql-优化班学习-8-20170606-MySQL索引
标签:ext alt 自增列 int 助教 hot 计算 tokudb pac