Add a content database
It is possible to configure multiple content databases in SharePoint and assign a site to it. In terms of now and in case of restoring SharePoint this facilitates operations.
A devious advantage for users of SQL Express is to have multiple sites that do not share the same database and therefore have 10GB of space per site.
In Central Administration, click on Application Management 1 and then on Manage Content Databases 2 .
Click Add Content Database 1 .
The parameters are normally filled in, change the database name 1 and click OK 2 .
Wait while creating …
The database is created.
You can also check the files in the DATA directory of the SQL SERVER instance.