The storage engine refers to the type of table. The storage engine of the database determines how the table is stored in the computer. The concept of storage engine is a feature of MariaDB, and it is a plug-in storage engine concept. This determines that the tables in the MariaDB database can be stored in different ways. Users can choose different storage methods, whether to perform transaction processing, etc. according to their different requirements.
Use the SHOW ENGINES statement to view the types of storage engines supported by the MariaDB database. The query method is as follows:
SHOW ENGINES;
The results of the SHOW ENGINES statement query are displayed as follows:
In the query result, the Engine parameter refers to the name of the storage engine; the Support parameter indicates whether MariaDB supports this type of engine, YES indicates support; the Comment parameter indicates the comment on the engine; the Transactions parameter indicates whether transaction processing is supported, YES indicates support; the XA parameter indicates Whether the XA specification for distributed transaction processing, YES indicates support; the Savepoints parameter indicates whether savepoints are supported, so that the transaction can be rolled back to the savepoint, and YES indicates support. Where InnoDB is the default (DEFAULT) storage engine.