SQL: Full Backup (.bak or snapshot)

Risk :

Missing backup or snapshot can cause loss of data. In case of a database fault , we won’t be able to restore the database.


A full backup contains all the data in a specific database or set of file groups or files. It is the base of both differential backup and transaction log backup.

A database snapshot is a read-only, static view of a SQL Server database (the source database). The database snapshot is transitionally consistent with the source database as of the moment of the snapshot’s creation.


SQL Full backup or Snapshot should execute successfully every 24 hours.

What went wrong?

  • Large output file backup  long time backup.
  • No available disk space.
  • Network is not available.

What to do:

  • Check backup system.
  • Check SQL Full backup job.
  • Check server network connection