What is the use of attach and detach in SQL Server?

What is attach and detach the database in SQL Server?

The data and transaction log files of a database can be detached and then reattached to the same or another instance of SQL Server. Detaching and attaching a database is useful if you want to change the database to a different instance of SQL Server on the same computer or to move the database.

How attach data file in SQL Server?

Attach a database1In SQL Server Management Studio Object Explorer, connect to an instance of SQL Server Database Engine, and then select to expand that instance view in SSMS.2Right-click Databases and select Attach.3In the Attach Databases dialog box, to specify the database to be attached, select Add.

How do I detach a file in SQL?

In SQL Server Management Studio Object Explorer, connect to the instance of the SQL Server Database Engine and then expand the instance. Expand Databases, and select the name of the user database you want to detach. Right-click the database name, point to Tasks, and then select Detach.

How do I detach and attach a database in SQL Server 2012?

Point to Tasks, and then click Detach:1When we click on the Detach the following window will be opened:2Now click on OK to detach a database name from the Object Explorer.3Attaching a Database. ... 4Now click the Attach menu item. ... 5Now click on the add button to browse a detached file or copied file.