Delete Backup positional parameters

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Positional parameters immediately follow the delete backup command and precede the optional parameters.

The following positional parameters specify the backup to delete:
* | dbname
*
Delete the active backups of all databases.
dbname
Delete a backup of the specified database. The active backup is deleted unless you specify a different backup with the /object optional parameter.
Multiple entries are separated by commas. If separated by commas, make sure that there is no space between the comma and the database name. If any database name contains blanks, enclose the database name in double quotation marks.
The following positional parameter specifies the type of delete backup to run:
FULL
Delete full database backups.
COPYFULL
Delete copy-only full database backups.