SHOW ENGINES

SHOW ENGINES 语句用于列出所有支持的存储引擎,该语法仅提供 MySQL 兼容性。

语法图

ShowEnginesStmt:

ShowEnginesStmt

  1. SHOW ENGINES;

示例

  1. SHOW ENGINES;
  1. +--------+---------+------------------------------------------------------------+--------------+------+------------+
  2. | Engine | Support | Comment | Transactions | XA | Savepoints |
  3. +--------+---------+------------------------------------------------------------+--------------+------+------------+
  4. | InnoDB | DEFAULT | Supports transactions, row-level locking, and foreign keys | YES | YES | YES |
  5. +--------+---------+------------------------------------------------------------+--------------+------+------------+
  6. 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。