Tutorialspoint

1 Answer
Sharon Christine

For this, use ALTER command. Let us first create a table. The default engine is set as“MYISAM” −

mysql> create table DemoTable
   -> (
   -> ClientId int NOT NULL AUTO_INCREMENT,
   -> ClientName varchar(100),
   -> ClientAge int,
   -> ClientCountryName varchar(100),
   -> isMarried boolean,
   -> PRIMARY KEY(ClientId)
   -> )ENGINE=MyISAM;
Query OK, 0 rows affected (0.67 sec)

Following is the query to convert table from MyISAM to INNODB −

mysql> alter table DemoTable ENGINE=InnoDB;
Query OK, 0 rows affected (1.97 sec)
Records: 0 Duplicates: 0 Warnings: 0

Let us now check the status of table −

mysql> show create table DemoTable;

This will produce the following output displaying the updated ENGINE as InnoDB −

+--------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Table        | Create Table                                                                                                                                                                                                                       |
+--------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| DemoTable    | CREATE TABLE `DemoTable` (`ClientId` int(11) NOT NULL AUTO_INCREMENT, `ClientName` varchar(100) COLLATE utf8_unicode_ci DEFAULT NULL, `ClientAge` int(11) DEFAULT NULL, `ClientCountryName` varchar(100) COLLATE utf8_unicode_ci DEFAULT NULL, `isMarried` tinyint(1) DEFAULT NULL, PRIMARY KEY (`ClientId`) ) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci |
+--------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
1 row in set (0.00 sec)

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