Understanding the purpose of SQL Server 2014 system databases
Before you start creating databases on a SQL Server 2014 instance, you should have a good understanding of the system databases that are installed by default when a SQL Server 2014 instance is created. Each SQL Server 2014 system database has a specific purpose and is required to run SQL Server. So, having a good understanding of the SQL Server system databases is useful when you are troubleshooting SQL Server issues.
SQL Server 2014 system databases
By default, when you install a SQL Server 2014 instance, the SQL Server 2014 setup program creates the following five system databases: master
, model
, msdb
, tempdb
, and resource
. Apart from these system databases, there is another system database called distribution
that does not exist until you configure replication on the SQL Server instance.
The master database
The master
database, as its name implies, is the most important database in a SQL Server 2014 instance. In fact, it is the...