What does it mean to attach a database?

What does attach database do?

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 do I send a database as an attachment?

Right-click Databases and select Attach.1In the Attach Databases dialog box, to specify the database to be attached, select Add. ... 2Databases to attach. ... 3<no column header> ... 4MDF File Location. ... 5Database Name. ... 6Attach As. ... 7Owner. ... 8Status.Attach a Database - SQL Server | Microsoft Docs

What is the difference between an attach and a restore of a database?

When using ATTACH, you must have *all* of the physical files - SQL Server will know if you don't have all of them! Lastly, files that are being ATTACHed, are those that were previously DETACHed. RESTORE is a bit different in that it is used on a "backup set" - a single file that contains both data and logs.

How do you attach and detach a database?

Right click the database name->tasks->detach and click OK on the database detach window. 3. Right click databases->attach->add and point to the mdf file. It will automatically take the ldf file to the attach databases window.