UNREGISTER {DATABASE [['] database_name [']] [NOPROMPT] ; | DB_UNIQUE_NAME ['] db_unique_name ['] {[INCLUDING BACKUPS [NOPROMPT]] | NOPROMPT) }
UNREGISTER {DATABASE [['] database_name [']] [NOPROMPT] ; | DB_UNIQUE_NAME ['] db_unique_name ['] {[INCLUDING BACKUPS [NOPROMPT]] | NOPROMPT) }