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Update mysql-schema.md
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@hfxsd @ti-chi-bot
hfxsd authored and ti-chi-bot committed Sep 30, 2024
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Expand Up @@ -82,7 +82,7 @@ summary: 了解 TiDB 系统表。
## DDL 相关系统表

* `tidb_ddl_history` 记录了 DDL 语句的历史记录
* `tidb_ddl_jobs` TiDB 内部存放的正在执行的 DDL 的元数据，用于执行 DDL
* `tidb_ddl_job` TiDB 内部存放的正在执行的 DDL 的元数据，用于执行 DDL
* `tidb_ddl_reorg` TiDB 内部存放的正在执行的物理 DDL（例如加索引）的元数据，用于执行物理 DDL

## 分布式执行框架相关系统表
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