The database used by Agent for scheduling alerts and jobs, and for recording operators. Because model is small and rarely changes, backing up the log is unnecessary. īack up model only when necessary for your business needs for example, immediately after customizing its database options.īest practice: We recommend that you create only full database backups of model, as required. The template for all databases that are created on the instance of. We recommend a regular backup schedule, which you can supplement with an additional backup after a substantial update. The database that records all of the system level information for a system.īack up master as often as necessary to protect the data sufficiently for your business needs. The following table summarizes all of the system databases. Backups of these system databases let you restore and recover the system in the event of system failure, such as the loss of a hard disk. If any database uses replication on the server instance, there is a distribution system database that you must also back up. The system databases that you must always back up include msdb, master, and model. Several of the system databases must be backed up after every significant update. maintains a set of system-level databases, s ystem databases, which are essential for the operation of a server instance.
Backup & restore: system databases (SQL Server)
0 kommentar(er)
