:navigation-title: Database

..  include:: /Includes.rst.txt
..  index:: ! Database
..  _database:

===================================
Database access and scheme in TYPO3
===================================

..  toctree::
    :glob:
    :titlesonly:

    DatabaseStructure/Index
    DatabaseRecords/Index
    DoctrineDbal/Index
    DatabaseUpgrade/Index
    Extbase/Index
    */Index
    *

..  seealso::

    Accessing the database:

    *   `PHP: Doctrine DBAL repositories <https://docs.typo3.org/permalink/t3coreapi:doctrine-dbal>`_
    *   `Extbase repositories <https://docs.typo3.org/permalink/t3coreapi:extbase-repository>`_
    *   `Persistence: Saving Extbase models to the database <https://docs.typo3.org/permalink/t3coreapi:extbase-persistence>`_
    *   `TypoScript: database-query data processor <https://docs.typo3.org/permalink/t3tsref:databasequeryprocessor>`_
    *   `TypoScript: RECORDS <https://docs.typo3.org/permalink/t3tsref:cobj-records-introduction>`_

    Defining and modeling the database scheme:

    *   `TCA Reference <https://docs.typo3.org/permalink/t3tca:start>`_
    *   `ext_tables.sql <https://docs.typo3.org/permalink/t3coreapi:ext-tables-sql>`_

    Configuring the database credentials

    *   `$GLOBALS['TYPO3_CONF_VARS']['DB'] <https://docs.typo3.org/permalink/t3coreapi:typo3confvars-db>`_

..  todo: Give an overview of different methods to access the database in TYPO3: Extbase,
    Dbal, TypoScript etc and to define database structures