show-engines.md

title	summary	category
SHOW ENGINES	TiDB 数据库中 SHOW ENGINES 的使用概况。	reference

SHOW ENGINES

SHOW ENGINES 语句仅提供 MySQL 兼容性。

语法图

SHOW ENGINES;

示例

{{< copyable "sql" >}}

SHOW ENGINES;

+--------+---------+------------------------------------------------------------+--------------+------+------------+
| Engine | Support | Comment                                                    | Transactions | XA   | Savepoints |
+--------+---------+------------------------------------------------------------+--------------+------+------------+
| InnoDB | DEFAULT | Supports transactions, row-level locking, and foreign keys | YES          | YES  | YES        |
+--------+---------+------------------------------------------------------------+--------------+------+------------+
1 row in set (0.00 sec)

MySQL 兼容性

• SHOW ENGINES 语句始终只返回 InnoDB 作为其支持的引擎。但 TiDB 内部通常使用 TiKV 作为存储引擎。