Backup Question : Local Backup vs. SQL DB Backup

Backup Question : Local Backup vs. SQL DB Backup

I'm running ServiceDesk and I run the local backup schedule in the admin settings of the ServiceDesk, but I'm also backing up the SQL DB off our SQL Server.  

I wanted to verify if I have the SQL DB backed up, do I really need the local Scheduled backup?  I'm trying to save space on the server and the local backups are HUGE and I figure since I'm backing up the SQL DB I should be ok...

I tested setting up another Service Desk instance and pointed it to a copy of the SQL DB backup and it looked like it had all the config and that would tell me I don't need the local backup.

Just want to verify and maybe see if anyone else is doing that.

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