[Mysql]查看存储引擎

查看引擎信息  系统信息 centos6.2  mysql 5.1.69  

#1 查看所有引擎  

mysql> show engines;
	+------------+---------+------------------------------------------------------------+--------------+------+------------+
	| Engine     | Support | Comment                                                    | Transactions | XA   | Savepoints |
	+------------+---------+------------------------------------------------------------+--------------+------+------------+
	| MRG_MYISAM | YES     | Collection of identical MyISAM tables                      | NO           | NO   | NO         |
	| CSV        | YES     | CSV storage engine                                         | NO           | NO   | NO         |
	| MyISAM     | DEFAULT | Default engine as of MySQL 3.23 with great performance     | NO           | NO   | NO         |
	| InnoDB     | YES     | Supports transactions, row-level locking, and foreign keys | YES          | YES  | YES        |
	| MEMORY     | YES     | Hash based, stored in memory, useful for temporary tables  | NO           | NO   | NO         |
	+------------+---------+------------------------------------------------------------+--------------+------+------------+
	5 rows in set (0.00 sec)

#2显示某个表的存储引擎

	mysql> show create table auth_group; 
	+------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
	| Table      | Create Table                                                                                                                                                                               |
	+------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
	| auth_group | CREATE TABLE `auth_group` (
	  `id` int(11) NOT NULL AUTO_INCREMENT,
	  `name` varchar(80) NOT NULL,
	  PRIMARY KEY (`id`),
	  UNIQUE KEY `name` (`name`)
	) ENGINE=MyISAM DEFAULT CHARSET=utf8 |
	+------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
	1 row in set (0.00 sec)

！看到 ENGINE=MyISAM 了吗

#3 查看当前默认引擎

mysql> show variables like '%storage_engine%';
	+----------------+--------+
	| Variable_name  | Value  |
	+----------------+--------+
	| storage_engine | MyISAM |
	+----------------+--------+
	1 row in set (0.00 sec)