What storage engines are used in MySQL?
There are two types of storage engines in MySQL: transactional and non-transactional. For MySQL 5.5 and later, the default storage engine is InnoDB. The default storage engine for MySQL prior to version 5.5 was MyISAM….MySQL supported storage engines:
- InnoDB.
- MyISAM.
- Memory.
- CSV.
- Merge.
- Archive.
- Federated.
- Blackhole.
What is default storage engine of MySQL?
InnoDB Storage Engine
MySQL: InnoDB Storage Engine As of MySQL 5.5 and later, it is the default storage engine.
Which is the default storage engine in MySQL?
Common storage engines in MySQL. Common storage engines used in MySQL are InnoDB and MyISAM. The default storage engine in MySQL prior to version 5.5 was MyISAM. In the case of MySQL 5.5 and later, the default storage engine is InnoDB. There are many other storage engines also which are used in MySQL.
How to specify which storage engine to use?
When you create a new table, you can specify which storage engine to use by adding an ENGINE table option to the CREATE TABLE statement: — ENGINE=INNODB not needed unless you have set a different — default storage engine. CREATE TABLE t1 (i INT) ENGINE = INNODB; — Simple table definitions can be switched from one to another.
Where is the index and data stored in MySQL?
The table’s index and data may be stored in one or more other files, depending on the storage engine. The server creates the .frm file above the storage engine level. Individual storage engines create any additional files required for the tables that they manage.
When to enable no engine substitution in MySQL?
By default, a warning is generated whenever CREATE TABLE or ALTER TABLE cannot use the default storage engine. To prevent confusing, unintended behavior if the desired engine is unavailable, enable the NO_ENGINE_SUBSTITUTION SQL mode.