# Selecting and configuring the database

Available in...

* Data Fabric
* MDM Platform

## Procedure

1. From the Select Database Type window, select the type of database from the Database Type drop-down list, then click Next.

   If you select a database other than the embedded H2 database, you must manually install the database drivers in <TomcatPath>/webapps/talendmdm/WEB-INF/lib before using Talend products.

   Information noteNote: If you have more than one driver version installed you might experience errors.
2. After selecting a database, configure it in the Configure connection to RDBMS window:
   * For the H2 database:
     1. Choose the database generation policy. You have a choice between creating a database for each container, or using a single database for all containers.
     2. Enter the User name and Password to use for connecting to the database.

     ![](https://help.qlik.com/talend/en-US/installation-guide-linux/Resources/images/mdm_server-installation_rdbms.png)
   * For MySQL, Microsoft SQL Server, or PostgreSQL databases:
     1. Choose the database generation policy. You have a choice between creating a database for each container, or using a single database for all containers.
     2. Enter the Host, Port, User and Password to use for connecting to the database.

     ![](https://help.qlik.com/talend/en-US/installation-guide-linux/Resources/images/install-mdm_server_database_configuration.png)
   * For Oracle or DB2 databases:
     1. Read the information at the top of the dialog box.
     2. Enter the parameters required for connecting to the database.

     ![](https://help.qlik.com/talend/en-US/installation-guide-linux/Resources/images/install-mdm_server_select_rdms.png)

   For more information, see [Using Oracle for the MDM server](https://help.qlik.com/talend/en-US/installation-guide-linux/7.3/using-oracle-for-mdm-server).
3. When you are finished with configuring the database, click Next.