What is the MSDB database in SQL Server?

Question

The msdb database is a system database that is used by several SQL Server components such as the SQL Server Agent service. In addition to SQL Server Agent configuration and task information, replication, log shipping, and maintenance plan data are stored in the msdb database.

What is MSDB database in SQL?

The msdb database is used by SQL Server Agent for scheduling alerts and jobs and by other features such as SQL Server Management Studio, Service Broker and Database Mail. For example, SQL Server automatically maintains a complete online backup-and-restore history within tables in msdb.

Where can I find Msdb?

If you open SQL Server Management Studio, you can see the msdb database under the System Databases. The database files will be in the default data file location with the file names as MSDBData.

What happens when Msdb DB is down?

If Msdb is down, then your sql server agent wont start, hence the jobs will not even run in the first place.

What is tempdb database in SQL Server?

The tempdb system database is a global resource that holds: Temporary user objects that are explicitly created. They include global or local temporary tables and indexes, temporary stored procedures, table variables, tables returned in table-valued functions, and cursors.

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