What is stored in 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.

What is stored in the master database?

The master database records all the system-level information for a SQL Server system. This includes instance-wide metadata such as logon accounts, endpoints, linked servers, and system configuration settings.

How do I read MSDB database?

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. mdf and MSDBLog.

Why is MSDB database so large?

Keeping a few weeks or months of history can cause the size of MSDB to get very large. In that same database if the backups are called by a SQL Server Agent job that means 96 job history rows just for this one job.