Restore SQL Database Log Files

Technology

How to Restore SQL Database Log Files – Overview

Summary:- This article answers the user query i.e.How to Restore SQL Database Log Files. If you have a similar query then don’t worry in this article we are going to discuss how to restore the SQL Database log file. Therefore, we are mentioning the ways to perform this operation.

Make sure you have a complete database backup before attempting to restore a SQL database log file. Next, restore the whole database backup using Transact-SQL or SQL Server Management Studio.

After the complete backup has been restored, use the SSMS interface or the T-SQL RESTORE LOG function to restore the log files one at a time.

Another alternative is to use T-SQL’s STOPAT or RECOVERY WITH STOPAT option to indicate the desired time and execute a point-in-time recovery.

Examine the database’s functioning and integrity after the log file(s) have been restored. To ensure future recovery needs, take a fresh backup of the restored database.

User Query Restore Log File in SQL Server

“Please Help! Last Few Days I have been unable to restore  the few Log files  in the SQL Database, I received an error after the restoring file  (the size of the data is around 4GB ) I got an error like Do you have a solution that  I can back up my data from a specific file?”

– Emily James, US

“Help! Significant corruption has occurred in my SQL Server database. My SQL database has never seen corruption of this kind, even after several years of use. My friends recommended some manual approaches, but none of them were able to fix this problem, thus I’m concerned all of my database data will be permanently destroyed. Would you kindly advise me on how to recover my data in bulk when the need arises?

– Victor Thomas, UK

Reasons Why Users Need to Restore the Database? 

  • Point-in-time recovery restores data to a precise moment, critical for addressing errors or corruption.
  • Restore log files to undo accidental data changes, ensuring minimal losses and data integrity.
  • When there is no backup of recent modifications, restore log backups for database corruption to recover data up to the point of corruption.
  • Reverting to the database’s initial state before an unsuccessful operation, such as a migration or data import, is essential.
  • Restoring transaction log backups helps to recover the database to its pre-disaster condition, minimizing data loss and the restoration of operations in the case of a disaster.
  • Restoring log backups for development and testing allows test databases to be updated realistically without impacting production.
  • By recreating previous data and providing thorough audit trails, restoring log backups helps regulated companies satisfy compliance criteria and ensure regulatory conformity and transparency.

What are the Solutions to Recover the Data From the Log File in SQL Server?

In this section, here we are going to perform the restoration of the database through the transaction log file. Therefore we are going to use SysTools SQL Log Analyzer. Being one of the pioneers in this technology it offers the best services at an affordable price.

Here are the following steps : 

Approach 1: Recover data from the log file in the SQL Server : 

  • Start the software first, then install it.
  • To add the database files, click the open button in the upper left corner.ldf &.mdf into the program.
  • To add the LDF file to the program, a new window with two options will open.

    (Online option / Offline Option)

  • To begin the process of restoring data from the log file, click the OK button next.
  • Following the OK button, a message stating that the SQL Server version for the chosen.mdf/.ldf file could not be determined will appear. Click OK after selecting the correct SQL Server version.
  • Now select the appropriate version of your SQL Server database files.

Approach 2: Recover data from the LDF file SQL Server : 

  • After providing the correct version of the corrupted MDF file, the software will scan the LDF file and show transaction details like inserts, updates, and deletes. click OK.
  • To preview the transactional details of a specific table, click on the table from the left side.
  • Click on the table from the left to obtain a preview of its transactional details.
  • To save the data straight to SQL Server, check the appropriate box next to the table whose contents you wish to export, and then click the export button.
  • Next, choose the appropriate checkbox to export and amend the chosen transaction insert.
  •  If you want to retrieve the data from the log file of the specific time interval apply the date filter.
  • If you would want to save the recovered data directly to SQL Server details, select Export as SQL Server Database. You will need to enter the server name and password in this format.
  • Choose between exporting to an interesting database or creating a new database as the destination database.
  • Finally, click on export to proceed.

Finally!

In this complete article, we learn about all the reliable solutions for the query which is How to Restore SQL Database Log Files. We are thoroughly detailed to find dependable solutions so that user can easily restore their data. I hope this blog will provide you with how to use it.