Sql server recover from ldf file


















The memory disk system may get affected due to several reasons which may affect the arrangement of table details in the database. Ultimately, you will not be able to access the data. Anti-malware and anti-spyware are good for other files stored on the system, but they can be harmful to the database.

That is why it is advised to exclude database from anti-virus scans. The database are not meant to be compressed. It can increases the chance of corruption and you will not be able to access the data. Before we start with any method, it is important to check the SQL Server error logs and events logs and if you come across an error caused due to hardware issues, you need to get it repaired and see if the problem is resolved.

If there is no hardware issue, start with the methods below:. First, make sure that your data has backup and follow the steps below:. Note: If the corruption still exists, use the following query to rebuild the log file.

Before running this query, put the database to Offline Mode and change the name of the corrupt log file. If this method seems a bit difficult and you wish to adopt an easier and effective method then follow the next method.

Once repaired, a new transaction log file. Follow the steps below to repair and rebuild your SQL log file:. Step 2: Once download is complete, run the software. Step 6: To proceed with the repaired database saving process, choose any of these options:. It is pertinent to highlight that there are very scarce methods to repair SQL Server database repair.

Furthermore, even those available methods may be quite hectic to follow. It provides a simplified yet effective user interface and recovers all database components such as schemas, triggers, tables, keys, etc. Moreover, once you have your main data files and secondary data files repaired, you will have access to the corrupt or deleted transaction log files.

Now that the. In the Restore database dialog, choose an appropriate backup to be restored in our case this is the last backup taken and click on the OK button to perform the restore. Note: various restore-related options can be specified in the Restore database dialog, spread throughout General, Files and Options tabs of the mentioned dialog which enable users to fine-tune the restore process to suit their needs and situation.

After performing the database restore, SQL Server Management Studio will display an information message on the process success. Now that the database has been restored to the last backup, the only remaining thing is to feed it the changes which have occurred after the backup was taken to completely recover the database to its initial pre-disaster state. In the Select data sources step of the wizard, uncheck online transaction log file and add the ldf file copy which was previously created.

To do this, click on the Add file button, and navigate to the ldf file. Ensure that the added ldf file is checked, and click on the Next button to proceed. If the user desires to inspect the changes and perform an in-depth analysis of database changes in the ldf file prior to creating and executing redo script, the Open results in grid option may be a valid choice here, since it allows grid-view of the results, and creation of redo script after fine-tuning the auditing results.

Login to reply. LDF file Post reply. November 5, at pm I'm sorry but it isn't possible. Don't you have a backup to restore? Dear Adi, Thanks for your instant reply. Unfortunately, we don't have any backup to recover database. Regards, Sajid C. November 6, at am LDF file contains transactions, not the data. The data is in the. MDF and. NDF file. Wilfred The best things in life are the simple things.



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