How do Web applications interact with databases?
The application server can communicate only through the intermediary of a database driver. A database driver is software that acts like an interpreter between the application server and the database. After the driver establishes communication, the query is executed against the database and a recordset is created.
What is content database?
A content database is a database file that stores content for one or more site collections for SharePoint web application. The content can be pages,files,documents,images and much more. So if the Site Collection has more number of SharePoint sites, the content database size grows rapidly.
How do you remove a database from a web application?
To select another web application, on the Web Application menu, click Change Web Application. On the Manage Content Database Settings page, in the Remove Content Database section, select the Remove content database check box, and then click OK.
How to attach a database to a web application?
To attach a content database to a web application, the SharePoint farm service account must have db_owner permission for the content database. If the database already exists, it must be the same version as the SharePoint Server 2016 farm or this operation will fail.
How to add content databases in SharePoint Server?
In Central Administration, in the Application Management section, click Manage Content databases. On the Manage Content Databases page, click Add a content database. On the Add Content Database page, verify that the Web Application menu displays the correct web application. In the Server box, specify the database server that hosts the database.
How to attach or detach a content database?
To attach a content database that is a different version than the farm, use the To attach or detach a content database by using Windows PowerShell procedure in the following section. You might want to attach or detach content databases for the following reasons.