How to Repair Corrupt SQL Database? – Best Solutions

User Query – We are trying to save necessary information in MS SQL Server Database. Suddenly, we found that the database of the MS Server gets damaged, and all data became orphaned. Is there anything to fix the corruption in SQL Server errors? Is there any efficient procedure to repair corrupt SQL Server database?

In this modern era, every small and large organization uses SQL Servers to handle their crucial data. But sometimes, due to virus attacks, abrupt shutdowns, and other issues, the SQL Server database becomes corrupted, and data becomes inaccessible. So we are here with this write-up that will guide you step by step to repair SQL Database corruption. Here, we will discuss a reliable solution, Cigati SQL Recovery Tool, to Repair Corrupt databases in SQL Server. Before moving to the solution section, you should know the common reasons for causing corruption.

Also Read: Read MDF File without SQL Server

Causes for Occurring Corruption in MS SQL Server

• Saving MS SQL Server database in a compressed folder
• Storage media corruption
• Accidental data deletion
• Changes in Microsoft SQL Server account
• Bugs in disk drivers
• File header corruption
• There may be a failure of the network when a database is in working mode.
• Virus attacks
• Unexpected system shutdown
• Sudden power failure
• Hard disk failure

Now, we will learn what common factors must keep in mind not to do during corruption.

Key Points Not to Do to Repair Corrupted SQL Server Database

• Detach Database causes the corruption in Microsoft SQL Server Database.
• Identify the reason for inaccessibility before going with the solutions to fix the corrupted SQL Database.
• Users are trying Repair Options in the desired test environment.
• You are trying to reboot your MS SQL Server Database application.

Here are some factors you should know not to do during the inaccessibility. Now, we will discuss various procedures to repair a corrupt SQL Server database.

How to Repair Corrupt SQL Database?

If your database has been rendered inaccessible due to corruption on suspicion of inaccessibility, there are two different approaches that you can follow to attempt a recovery. The first is the traditional manual approach, while the second is to use a professional utility specifically designed to deal with such problems automatically in addition to providing further assistance and support.

Method 1: Repair Corrupted SQL Database Manually

In order to safely change your SQL database suspect mode to the expected condition, you have to follow the steps mentioned below.

Repair MDF Files by DBCC CHECKDB Command

Follow the below-given steps in a stepwise manner to repair MDF file by running the DBCC CHECKDB command as follows:

DBCC CHECKDB (Name_of_corrupt_database)

Now, check if the Index ID> 1. If it is, then drop it and create it again. However, if the Index ID is 0 or 1, then run the DBCC CHECKDB like this:

DBCC CHECK (name_of_corrupt_database, repair_fast)
DBCC CHECK (name_of_corrupt_database, repair_rebuild)
DBCC CHECK (name_of_corrupt_database, repair_allow_data_loss)

This method works in most cases, and you can repair most instances of MDF files without any problems.

Method 2: Run the Database Backup Along with CHECKSUM

To ensure the database backup process is running, it is suggested that a checksum command be included in the backup process. The checksum algorithm will detect corruption within the database and prevent the backup from proceeding further until this corruption has been repaired.

BACKUP DATABASE XYZ
TO DISK = ‘E:\Database Backup\XYZ.bak’
WITH CHECKSUM;

Click on the enter button to run the command. Here both manual methods to repair Corrupt SQL Database are mentioned in detail. You can check them out. But make sure that you have the technical expertise to perform the above manual solution. Moreover, there is a high chance of losing valuable data during the process. If you don’t want to face any issues, opt for a third-party and reliable solution.

Method 3: Fix Corrupted SQL Database Using A Professional Solution

Cigati SQL Database Repair Software is a comprehensive utility in the field of SQL Server Database. The software is widely used online software that is capable of recovering & restoring corrupt SQL database MDF & NDF files with ease. It does not harm or affect the data throughout the recovery process. Furthermore, the interface of this tool ensures smooth working and a novice user can use it without any technical assistance.

Additionally, this software stores the database objects like tables, stores procedures, views, triggers, programmability, and other functions. Now, we will discuss the working of the software, which will clear all your doubts.

Steps to Resolve the Corruption from SQL Server Database

• First, download and launch the SQL Recovery tool on your local machine.
• After that, click the Browse button to choose MDF File.
• Then, select the Recovery mode to scan the MDF database files.
• Next up, click the OK button to begin the scanning process.
• Here users can effortlessly preview the restored database in a preview panel.
• Afterward, mention the credentials of the desired SQL Server account and connect your database.
• Lastly, click the OK button to successfully store the repaired SQL database at the chosen destination path.

Final Thoughts

When you have a SQL database and it gets corrupted, it can be a complicated task to fix. In the above post, we have discussed how to repair a corrupt SQL database file using manual and professional techniques. However, there are certain limitations of the above manual approach. Therefore, we recommend users opt for the professional solution. This procedure is pretty well-known but not something that everyone knows about. You can expect this method to work over 99% of the time.

You May Also Read: Migrate SQL Database from One Server to Another

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