The MDF is a primary database file of SQL Server. So, it’s important to keep its data safe & secure in case of disaster. A .mdf file can be inaccessible if the associated .ldf file gets missed or lost due to any reason. However, sometimes users want to extract data from SQL MDF file. Therefore, in today’s blog, we will discuss the best and 100% working solution to extract data from MDF file in SQL Server Database. Here, we will also know how to extract data from corrupt MDF file using SQL recovery software which helps to Recover SQL Server Database MDF files with all elements.
SQL Server is a well-known relational database management system that supports three types of database files, such as MDF, NDF, and LDF. The MDF (primary database file) is used to store information like tables, views, stored procedures, and more. The LDF file stores transaction information of the associated primary database file (.mdf). And the NDF (secondary database file) is an optional database file that used to store data physically.
Extract Data From MDF File in SQL Server Database
There are two methods that are useful for extracting data from the SQL Primary database file. First with SQL Server Management Studio and second with T-SQL. The following section introduces both methods. You can easily choose one of them.
#Method 1: Using Transact-SQL
the following command to
from MDF file:
above command attach
the database to SQL Server even if the .ldf
file is missing to the
associated MDF file. The
ATTACH_REBUILD_LOG creates a new transaction log file and a new
#Method 2: Using SQL Server Management Studio
these simple step by
step process to perform this task:
Step 1. Open
SQL Server Management Studio and
connect to the SQL Server instance of Database Engine
Step 2. In Object Explorer, select the Databases and then right-click on Attach.
Step 3. In the Attach Databases wizard, click on Add button to locate .mdf file you want to attach.
Step 4. Next, go to the directory where you saved the .mdf file and select the .mdf file then click OK.
Step 5. Now, again click theOK button in the Attach Databases window.
Points to Remember to Extract Data from MDF File
Make sure the database file is not read-only. To do this, you can go to the location of the .mdf file and right-click the .mdf file, then click Properties and verify the attribute.
Verify that the database file is a higher version and try to attach it in the lower version.
The MDF file that you want to attach has the full authority or full access control.
How to Extract
Data From Corrupt MDF File?
You can retrieve data from MDF file which is in a healthy state. But what to do if the MDF file is highly corrupted? The above method is not able to do so. In such a case, you need to take the help of SQL Database Recovery software which helps you to recover corrupt MDF file with all components like views, tables, functions, stored procedures, etc. With this tool, you can easily recover MDF file of SQL Server 2019, 2017, 2016, 2014, 2012, and earlier versions.
This application offers the facility to scan and preview all database items. One can easily extract data from corrupt MDF file and restore directly to the live SQL Server Database or Compatible SQL Scripts. It provides an option to restore MDF file to a new database or an existing database without loss of data.
Step by Step
Process to Extract Data from Corrupt MDF File
Step 1. Download, install and run the software. Then click on the Open to load .mdf file
Step 2. Select the Quick or Advance Scan Mode and then select the version of the SQL .mdf file.
Step 3. The scanning process will start. Once it’s done, you can see the preview of recovered data stored in the MDF file.
Step 4. Export the data to SQL Server Database or SQL Compatible Scripts according to your needs. Enter the required information to proceed.
Step 5. In the end, click the Export button to finalize the process.
Here, we learned the whole process of how to extract data from MDF file in SQL Server Database using T-SQL and SQL Management Studio. Sometimes, the MDF file is corrupted due to many reasons and retrieving data is very tough. Therefore, we also discussed the automated solution that allows you to extract data from corrupt MDF file with all objects.