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SQL Attach Database

by suresh

In this section, we will see the step by step approach to attach SQL Database. For this Sql attach database demonstration, we are going to use the existing stored procedure, Create Statement, and Management Studio.

SQL Attach Database Approach 1

From the below screenshot, you can see that the SQL server does not have the AdventureWorks2017 database

SQL Attach Database 1

From the below screenshot, you can see that the AdventureWorks MDF and LDF files are there in C Drive

SQL Attach Database 2

SQL Server has a sp_attach_db stored procedure to attach the database to the Server.

Syntax to attach Database from MDF and LDF file is

EXEC sp_attach_db @dbname = N'Database Name',
	@filename1 = 'location\MDFFileName.mdf',
	@filename1 = 'location\LDFFileName.ldf'

Let me use the above syntax to attach Adventure Works 2017 database.

EXEC sp_attach_db @dbname = N'AdventureWorks2017',
	@filename1 = N'C:\Program Files\Microsoft SQL Server\MSSQL14.MSSQLSERVER\MSSQL\DATA\AdventureWorks2017.mdf',
	@filename2 = N'C:\Program Files\Microsoft SQL Server\MSSQL14.MSSQLSERVER\MSSQL\DATA\AdventureWorks2017_log.ldf'

From the below screenshot you can see that the query is executed.

SQL Attach Database 3

Now you can see the Adventure Works 2017 database in our SQL Server

SQL Attach Database 4

Attach Database Approach 2

In SQL, you can use the Create database Statement along with the Attach keyword to attach the database to the Server. And the syntax is:

CREATE DATABASE AdventureWorks2017
	ON (FILENAME = 'location\MDFFileName.mdf'),
	   (FILENAME =  'location\LDFFileName.ldf')
FOR ATTACH;

Let me use the above syntax to attach database called AdventureWorks.

CREATE DATABASE AdventureWorks2017
     ON (FILENAME = N'C:\Program Files\Microsoft SQL Server\MSSQL14.MSSQLSERVER\MSSQL\DATA\AdventureWorks2017.mdf'),
	(FILENAME = N'C:\Program Files\Microsoft SQL Server\MSSQL14.MSSQLSERVER\MSSQL\DATA\AdventureWorks2017_log.ldf')
FOR ATTACH;

From the below screenshot you can see that the query is executed.

SQL Attach Database 5

Now you can see the Ad 2017

SQL Attach Database 6

Attach Database Approach 3

You can also use Management Studio to attach any database. To do so, Right-click on the Databases folder and select the Attach.. option from the context menu.

SQL Attach Database 7

Clicking the Attach.. option will open the following window. Next, click the Add button to add the MDF file.

SQL Attach Database 8

Use this file navigation window to select the required database. Here, we are selecting AdventurWorks2017.mdf

SQL Attach Database 9

Click OK to attach Database in Server

SQL Attach Database 10

Now you can see the Adventure Works2017 database

SQL Attach Database 11

Placed Under: SQL

  • Install SQL Server
  • Install SQL Management Studio
  • Uninstall Management Studio
  • Install AdventureWorks Database
  • SQL Management Studio Intro
  • Connect SQL with sqlcmd utility
  • SQL Attach Database
  • SQL Detach Database
  • SQL Restore Database
  • Restore Database using BAK
  • SQL Rename Database with Files
  • Get SQL Database Names
  • SQL Create Table
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