What are SQL storage engines?

Question

A SQL server storage engine is software used to create, read and update data between the disk and memory. The SQL server maps the database with files that store database objects, tables and indexes. Those files can then be stored on either a FAT or NTFS file system.

What is meant by storage engine?

A database engine (or storage engine) is the underlying software component that a database management system (DBMS) uses to create, read, update and delete (CRUD) data from a database.

How many types of storage engines are there 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.

What are the most common storage engines for 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.

What is MySQL default storage engine?

The default engine is InnoDB in MySQL 5.7.

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