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    MySQL

    MySQL SHOW ENGINES statement

    Overview

    In this tutorial, we will learn about MySQL SHOW ENGINES statement. This command is used to see what storage engines are available on the MySQL Server.

    https://www.testingdocs.com/mysql-storage-engines/

    Syntax

    The general syntax of the statement is as follows:

    mysql> SHOW ENGINES;

    This command displays the output in a tabular format.

    or

    mysql> SHOW ENGINES \G

    The statement displays the storage engines that are compiled into the MySQL server and whether
    they are available at runtime.

    Examples

    The command with \G terminator displays the output in the row format.

    mysql> SHOW ENGINES \G

    *************************** 1. row ***************************
    Engine: MEMORY
    Support: YES
    Comment: Hash based, stored in memory, useful for temporary tables
    Transactions: NO
    XA: NO
    Savepoints: NO
    *************************** 2. row ***************************
    Engine: MRG_MYISAM
    Support: YES
    Comment: Collection of identical MyISAM tables
    Transactions: NO
    XA: NO
    Savepoints: NO
    *************************** 3. row ***************************
    Engine: CSV
    Support: YES
    Comment: CSV storage engine
    Transactions: NO
    XA: NO
    Savepoints: NO
    *************************** 4. row ***************************
    Engine: FEDERATED
    Support: NO
    Comment: Federated MySQL storage engine
    Transactions: NULL
    XA: NULL
    Savepoints: NULL
    *************************** 5. row ***************************
    Engine: PERFORMANCE_SCHEMA
    Support: YES
    Comment: Performance Schema
    Transactions: NO
    XA: NO
    Savepoints: NO
    *************************** 6. row ***************************
    Engine: MyISAM
    Support: YES
    Comment: MyISAM storage engine
    Transactions: NO
    XA: NO
    Savepoints: NO
    *************************** 7. row ***************************
    Engine: InnoDB
    Support: DEFAULT
    Comment: Supports transactions, row-level locking, and foreign keys
    Transactions: YES
    XA: YES
    Savepoints: YES
    *************************** 8. row ***************************
    Engine: BLACKHOLE
    Support: YES
    Comment: /dev/null storage engine (anything you write to it disappears)
    Transactions: NO
    XA: NO
    Savepoints: NO
    *************************** 9. row ***************************
    Engine: ARCHIVE
    Support: YES
    Comment: Archive storage engine
    Transactions: NO
    XA: NO
    Savepoints: NO
    9 rows in set (0.01 sec)

     

    MySQL SHOW ENGINES

    The Support column can have values like:

    • YES
    • NO
    • DISABLED
    • DEFAULT

    The value in the Support column is YES or NO, to indicate that the storage engine is or is not available.
    DISABLED if the engine is present but turned off, or DEFAULT for the storage engine that the server
    uses by default. The InnoDB storage engine is the default engine in the above example.

    —

    MySQL Tutorials

    MySQL Tutorials on this website:

    https://www.testingdocs.com/mysql-tutorials-for-beginners/

    For more information on MySQL Database:

    https://www.mysql.com/

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