Does detaching a database delete it?

Does detaching a database delete it?

Detaching a Database. Detaching a database removes it from the instance of SQL Server but leaves the database intact within its data files and transaction log files. These files can then be used to attach the database to any instance of SQL Server, including the server from which the database was detached.

How do I delete a detached database?

1 Answer

  1. Attach the database and drop it.
  2. Log-in interactively on the server and delete the files from the disk.
  3. Use xp_cmdshell (after enabling it), but don’t forget to disable it (if it’s not needed)

Can a database be deleted?

To delete a database Expand Databases, right-click the database to delete, and then click Delete. Confirm the correct database is selected, and then click OK.

How do I detach a SQL database?

To detach a database

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

How do I detach a replicated database?

Detaching a replicated database

  1. EXEC sp_replicationdboption @dbname= ‘db_name’ , @optname= ‘publish’ , @value= ‘false’
  2. Detach the database.
  3. Copy the database files to new locations.
  4. Attach the database.
  5. EXEC sp_replicationdboption @dbname= ‘db_name’

How do I disconnect a database?

To disconnect from a database, click the connection in the Database Navigator or Projects view, and then click the Disconnect button in the toolbar or click Database -> Disconnect on the main menu: You can also right-click the connection and click Disconnect on the context menu.

How do I detach MDF file in SQL Server?

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.

Should I delete from database?

Actual database performance may not require deleting data, unless the data sets are huge. Even a table with millions of rows and dozens of columns may not need deleting if you partition it properly and ensure your queries always use the proper partitions.

When should you delete data?

Benefits of reducing data volumes Once the data has stretched beyond data-retention requirements, it’s time for it to be deleted. This might be because it has been archived for the amount of time required by law, or because it has been stored indefinitely, but has not been looked at for months or years.

How do I detach all databases in SQL Server?


  1. Locating databases residing on specific disk drives.
  2. Creating the database detach command for databases residing on specific disk drives.
  3. Creating the database attach command for databases residing on specific disk drives.


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