Delete Backup positional parameters

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

The following positional parameters specify the backup to delete:
* | database_name
*
Delete the active backups of all databases.
database_name
Delete a backup of the specified database name. The active backup is deleted unless you specify a different backup with the /object parameter. When multiple active incremental backups exist, the /object parameter must be specified with the delete command.
Multiple entries are separated by commas. If separated by commas, ensure 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.
Attention:
  • Be careful to delete only the backups you want.
  • Deleting incremental or differential backups can cause loss of recovery points.
  • Deleting a full backup might cause incremental or differential backups to remain in a suspended state and are considered useless without a corresponding full backup.
The following positional parameters specify the type of delete backup to perform:
FULL|COPY|INCRemental|DIFFerential
FULL
Delete full type backups.
COPY
Delete copy type backups.
INCRemental
Delete incremental type backups.
DIFFerential
Delete differential type backups.