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mysql 数据库 引擎

mysql> show engines;+------------+---------+----------------------------------------------------------------+--------------+-----+------------+| Engine     | Support | Comment                                                        | Transactions | XA  | Savepoints |+------------+---------+----------------------------------------------------------------+--------------+-----+------------+| MyISAM     | YES     | Default engine as of MySQL 3.23 with great performance         | NO           | NO  | NO         | | MRG_MYISAM | YES     | Collection of identical MyISAM tables                          | NO           | NO  | NO         | | BLACKHOLE  | YES     | /dev/null storage engine (anything you write to it disappears) | NO           | NO  | NO         | | CSV        | YES     | CSV storage engine                                             | NO           | NO  | NO         | | MEMORY     | YES     | Hash based, stored in memory, useful for temporary tables      | NO           | NO  | NO         | | InnoDB     | DEFAULT | Supports transactions, row-level locking, and foreign keys     | YES          | YES | YES        | | ARCHIVE    | YES     | Archive storage engine                                         | NO           | NO  | NO         | +------------+---------+----------------------------------------------------------------+--------------+-----+------------+7 rows in set (0.00 sec)
查看数据库使用的引擎mysql> show variables like %storage_engine%;+----------------+--------+| Variable_name  | Value  |+----------------+--------+| storage_engine | InnoDB | +----------------+--------+1 row in set (0.00 sec)

 

mysql 数据库 引擎