Administering Ambari
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Using an existing or installing a default database

Ambari installs a default database for each component. You may choose to set up components with a new or existing, non-default database.

Ambari installs the PostgreSQL, MySQL, and Derby databases for use with Ambari, Hive, and Oozie respectively, as default options. You may instead use a new, or an existing, non-default database instance with these components. To prepare Ambari to connect to a non-default database, you must download and set up database connectors before you set up the Ambari Server by running ambari-server setup.

Using Microsoft SQL Server or SQL Anywhere database options are not supported.

Using MySQL requires the default, InnoDB engine for MySQL 5.6.