Either specify a new database, an empty database, or an existing VMM 2008 R2 database. If you have an existing VMM 2008 database, ...

Either specify a new database, an empty database, or an existing VMM 2008 R2 database. If you have an existing VMM 2008 database, VMM 2008 R2 automatically detects and upgrades the database when you upgrade the VMM 2008 server.