If you have a supported Database Server installed already, you can use it for FME Server's repository database. Otherwise, you can install one of the supported databases on a separate machine. The database referred to here is used by FME Server for managing FME Server jobs and workspace information and does not refer to a source or destination data source for FME workspaces.
The option to use your own database can only be made during installation. Prior to installation you should have a Database Server running, the connection information, and the ability to create a new database using SQL scripts.
Supported database servers include: