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Tuesday, March 19, 2024

Recover deleted data from SQL database file

SQL Server is an extremely admired relational database management system for storing and retrieving data in a huge amount. It uses MDF, NDF, and LDF files to store all the critical data. However, due to some unfortunate situations SQL Server tables and other database components are deleted from the MDF file. If a recent backup copy of the database is available then it would be really easy to Recover deleted data from SQL database file. 

But what will happen, if no backup is available to recover tables from SQL Server. 

Recovering deleted data without backup can be a complex task for a non-technical or novice user. Therefore, in this post, we are going to discuss some easy and effective methods to recover deleted data from SQL Server with or without backup efficiently. Let us understand the major reason for data loss in MS SQL Server.

Possible reasons behind SQL Server data loss

Damaged MDF and NDF data file

Corrupted File system

Problem with the hard disk

Virus & malware infection

Human error

Sudden power failure

Abrupt system shutdown

How to Recover deleted data from SQL database file

You can recover deleted tables from SQL Server in two different ways. One is a professional software solution and another is the manual approach.

Method 1: Manual Methodology

Use the following commands to Recover deleted data from SQL database file:

  • DBCC CHECKDB (DATABASE_NAME): Use this command to check the database for repair in the command line or query manager.
  • REPAIR_ALLOW_DATA_LOSS: By using this command you can repair data by allocating and deallocating rows. (This command will remove damaged text, rows error, page error, and column errors, which results in data loss.)
  • REPAIR_FAST: This command repair data in a fast process, but it makes only minor changes.
  • DBCC CHECKTABLE (TABLE_NAME): Use tis command to recover corrupted database table in the command line or query manager.

Now, run SQL Server Management Studio in your machine and follow the below-mentioned instructions to recover the deleted data in SQL Server:

Step 1. Firstly go to the Toolbar and open the New Query Window.

Step 2. After that, enter the following command:

EXEC sp_resetstatus [DATABASE_NAME];

ALTER DATABASE [DATABASE_NAME] SET EMERGENCY

DBCC CHECKDB ([DATABASE_NAME])

ALTER DATABASE [DATABASE_NAME] SET SINGLE_USER WITH ROLLBACK IMMEDIATE

DBCC DATABASE ([DATABASE_NAME], REPAIR_ALLOW_DATA_LOSS)

ALTER DATABASE [DATABASE_NAME] SET MULTI_USER

Best Alternate solution to Recover deleted data from SQL database file

If the manual method doesn’t work well then you must try the SQL Database Recovery software solution. It is an enterprise-grade level professional tool that has the potential to recover deleted table from SQL Server without losing a single bit of data. By using this software, the user can also recover the permanently deleted data including views, triggers, functions, rules, etc. from the SQL database file. It shows the preview of the deleted data in red color so that it can be easily recognizable by the user.

Also, by using this application users can easily recover the deleted data from damaged or corrupt SQL database files. Moreover, this utility has the ability to export the data database to a Live SQL Server. The graphical user interface of this tool is self-explanatory and easy to use that all types of users can easily use it.

Step by step guide to Recover deleted database from SQL Server

Step 1. First of all, download and run this proficient utility on your machine and click on Open to load the .mdf file of SQL Server into the software.

Step 2. Choose a Scan Mode (Quick mode or Advance mode) as per the level of database corruption and then check the Auto Detect option to detect the SQL Server version of your MDF files automatically. Also, check the checkbox related to the Recover Deleted Objects option if you want to recover the deleted database items.

Steps 3. Now, preview all the data of your database file by clicking on the tree structure of the left panel and then press the Export button. 

Step 4. After viewing the data, select an export option and fill all the export details in the export window, and finally hit the Export button. 

7 Awesome Benefits of using this solution

  • Recovers Corrupted damaged, inaccessible, or broken SQL database Files of any version of SQL Server.
  • Repairs all issues in tables, table records, rules, triggers, stored procedures, views, functions, indexes of SQL database files.
  • Restore all deleted data items from the MDF & NDF files of the SQL server without losing a bit of data.
  • It shows all the deleted database items of MDF and NDF files in red color.
  • Enable users to export recovered database components into live SQL Server Database or as SQL Scripts.
  • The tool offers a simple and self-descriptive Graphical User Interface to its users.
  • It is compatible with all versions of the Windows Operating System (32-bit and 64-bit).

 Conclusion:

In this blog, we have learned how you can Recover deleted data from SQL database file easily & effortlessly. It talks about two different ways including an automatic & a manual method. Depending upon the user’s choice, they can go with any of the methods mentioned above.

However, the tool that we have suggested here is an advanced utility capable of recovering data within the minimum time possible.

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