How Can You Recover Deleted Records in SQL Server Database?

Summary: Losing important data from an SQL Server Database can be challenging, especially if those records are important for your business. Whether it is an accidental deletion or unexpected system failure, recovery of deleted recovered is possible. If you want to recover deleted records in SQL Server, read this blog. Here, we will explore different ways to recover deleted items from SQL Server. In addition, you can try SQL Database Recovery Software to ensure the data is retrieved without any loss.
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Why SQL Server Restore Deleted Records?

There are various reasons to restore deleted records, including:

• To recover data lost due to user error or faulty queries.
• Ensures database relationships and consistency are maintained.
• Restore deleted items to prevent permanent loss of data.
• Prevents disruptions and keeps operations running smoothly.

How Rollback Deleted Records in SQL? 

When records are deleted from a SQL Server database, it can cause significant issues for businesses. However, this section explains the best two methods to restore deleted items. In addition, discuss the benefits and limitations of using both methods and how to check database deleted in SQL Server?

Method 1: Manually Recover Deleted Records in SQL Server

Important Note: If you know the time when the record is deleted then, you can use the manual method. This method uses Log Sequence Numbers (LSN) to recover deleted rows and columns from the database. Follow the execution steps carefully:

Step 1: Create a Database 

Execute the below command to create a database named ‘RecoverDeletedRecords’ and a table ‘Emp’.

Step 2: Insert Data into ‘RecoverDeletedRecords’ Table

Now, insert the row into the table by executing the below query:

Step 3: Remove Some Row From the Table

After that, run the command to delete the row from the table.

Step 4: SQL Server Find Deleted Records

Further, you will retrieve the information from the deleted rows, following the execution query:

Step 5: Retrieve the Log Sequence Number of the LOP_BEGIN_XACT Log Record 

To find the exact time when the records are deleted, use the Transaction ID to find the LSN of the LOP_BEGIN_XACT log record.

Step 6: Restore Deleted Records

To restore deleted rows or columns, we need to convert the hexadecimal to the decimal value of the LSN. To do this, follow the execution steps:

Step 7: Verify the Recovered Data

Lastly, to see the recovered data, follow the below commands:

Limitations of the Manual Method

• This method only works if the database is in Full Recovery mode.
• Involves deep knowledge of LSNs and transaction logs.
• Finding the correct LSN and restoring data takes time.
• Corrupted or incomplete backups may block recovery.

Method 2: Dedicated Software to Recover Deleted Records in SQL Server

If the deleted records are not recovered using the manual method then, directly use this method. The SQL Database Recovery Tool is one of the best and most reliable solutions to recover deleted records from SQL. This top-notch utility provides full recovery of tables, views, store procedures, triggers, etc. Moreover, it allows users to choose different recovery modes for quick recovery. It is also compatible with all SQL Server 2005, 2008, 2012, and 2014.

• Allow users to preview the content of the recovered data file before saving.
• Applicable to Fix R2 SQL Error 926 and other type of errors.
• Option to save recovered data file into a SQL database or SQL script.

Steps to SQL Server Restores Deleted Records

1. Firstly, download and install SQL Database Recovery Software as an admin.
2. Now, click on the Open button to add corrupt files.
3. Afterward, select Recovery Mode and use optional features. Click OK.
4. Further, Preview or select the files/folders to recover and click Next.
5. Lastly, choose Saving Format based on your requirements and press OK.

Conclusion

To wrap up, we have discussed the best methods to recover deleted records in SQL Server. If you have the SQL database backup and know the time, then you can use the manual method. If this process does not work or your backup file is corrupted, then use a professional tool to restore items. Moreover, the demo version of this tool is also available or you can switch to a full version at any time.

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