CyC2018
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1094a8fa42
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Update MySQL.md
为面试中常问的小节加上高频标记;补充联合索引最左前缀的示意图和范围条件带等号时的说明,补充 sync_binlog 为 0 时的刷盘行为。
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2026-10-30 02:57:52 +08:00 |
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CyC2018
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6f60f7b082
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Update MySQL.md
补充 B+ 树的容量估算及与跳表、LSM 树的比较,主键、唯一和普通索引的区别,联合索引的扫描范围(配图),Explain 的字段与 EXPLAIN ANALYZE,慢查询的定位与优化,分表与分库、扩容与数据迁移,更新语句的执行过程,附录 A6~A8。
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2026-10-29 04:55:47 +08:00 |
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CyC2018
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6f379374d1
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Update MySQL.md
“索引的优点”“索引的使用条件”移到“索引优化”之前,删除失效的参考链接。
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2026-10-28 22:51:30 +08:00 |
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CyC2018
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ca739969ca
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Update MySQL.md
补充分库分表的时机、分片键的选择、不带分片键的查询、跨分片的排序和分页、binlog 的三种格式和覆盖索引时的执行计划,更新可重复读与幻读的表述。
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2026-10-28 13:35:24 +08:00 |
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CyC2018
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f88b02a618
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Update MySQL.md
补充写入后读主库与读己之写的关系。
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2026-10-28 10:38:19 +08:00 |
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CyC2018
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5e4ef28fb3
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Update MySQL.md
重新绘制 B+ 树、SQL 执行过程和索引的配图,增加索引、执行计划和深分页的实测附录。
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2026-10-28 03:18:53 +08:00 |
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CyC2018
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e2500c6a5b
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Update MySQL.md
重新绘制配图,补充一条 SQL 的执行过程以及 B 树与 B+ 树的比较,更新数据类型等描述。
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2026-10-26 22:03:56 +08:00 |
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CyC2018
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0a6bb8605a
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Merge pull request #1463 from CyC2018/add-index-log-redis-topics
补充索引失效、MySQL 日志、Redis 编码与集群等内容
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2026-10-26 03:49:53 +08:00 |
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CyC2018
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ade61d0de3
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Update MySQL.md
补充索引失效的常见情况、索引的分类与使用条件,以及 redo log、binlog 和两阶段提交,并配图。
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2026-10-26 02:34:34 +08:00 |
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CyC2018
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e2122e741b
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Update MySQL.md
补充 Explain 的 type 和 Extra 字段、慢查询日志,以及深分页的原因和优化方法,并配图。
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2026-10-26 01:17:34 +08:00 |
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CyC2018
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f842b2740a
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Update MySQL.md
按 MySQL 8.0 手册更新:复制线程名称为 binlog dump 线程,DATETIME 自 5.6.4 起占 5 字节,TIMESTAMP 的默认值行为和选型说明,补充 InnoDB 支持空间索引;文字校对,参考书作者名补空格。
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2026-10-25 18:52:00 +08:00 |
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 CyC2018andClaude Fable 5
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25c3035321
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Update MySQL.md
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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2026-10-23 04:39:20 +08:00 |
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CyC2018
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CyC2018
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CyC2018
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CyC2018
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CyC2018
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CyC2018
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CyC2018
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CyC2018
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CyC2018
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CyC2018
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23af516746
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Revert "auto commit"
This reverts commit e06caf6c4f.
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2019-06-09 20:28:58 +08:00 |
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CyC2018
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e06caf6c4f
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auto commit
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