This task can be used to start only the primary and mirror databases without starting all of the read-only scale-out copies
of the tenant database, or to start stopped scale-out database copies of a running database.
You cannot start a scale-out database copy in a read-only scale-out system if the read-write database is not running. You
cannot start a mirror database if the primary database is not running. Starting the primary database automatically starts
the mirror database.
Use the following format to specify the database copy: