Manual Steps to Fix Page Level Corruption in SQL Server Database

With this article, you will be given a brief on how to fix Page Level Corruption in SQL Server and also the reasons due to which it occurs. To know more, Keep reading

We all have a slight knowledge about, what is SQL? SQL stands for Structured Query Language which is a programming language. Basically, it used to create a database of the complete information in a structured manner. With the help of query commands, you can create, delete or even fetch the rows and columns directly.

Now, I guess you have got an idea what does SQL is all about. Let us understand about the Page level corruption in detail! Informative right, keep reading…

What is Page Level Corruption, what is it all about?

SQL Server database corruption is the most horrifying situation for any SQL Server administrator. This could be a disruption of the transaction process of the system that can cause business repercussion such as large financial losses, fall in reputation, or can say the customer retention.

TIP – Using DBCC CHECKDB command you can check and correct the page level corruption without using any third party repair tool.

If you are working as an SQL Server administrator, I can surely say that your life is full of bugs. You can’t resist such errors. The worst and horrible thing over here is encountering SQL server page-level corruption.

 Also Read: Repair Index Corruption in SQL Server Database

Due to which your data becomes inaccessible, ultimately it sounds like a breach between the workflow of the entire business organization. The only way to come out of it is finding the right solution and the cause behind the page level corruption in SQL Server. Because “prevention is better than cure”.

Causes of SQL Server Page Level Corruption

There are approximately 4-5 basic causes, by resolving them one can repair SQL Database corruption from page level. Let’s dig in and find the root causes and play smart.

1. Hardware Breakdown – If there is a problem with your hardware then you must regularly monitor your hard disk, the server box, and the hardware box so that you can avoid facing such problems.
2. Power Failure – Irregularity in the power supply is one of the prime factors of the corruption.
3. Virus Attack – Always take care while downloading a new software to your system. There are might be chances that the required software or file is affected by the virus. This could lead to the SQL Server damaged.
4. Irrelevant update installation:- We know that it is one of the best practice of doing regular update installation with latest patches. But always be ensure relevancy before going for the installation because the wrong update could cause corruption.

Due to any above reason you find any glitches within the SQL database server then you should take a backup of your database and start with the initial remedial procedure.

Resolving SQL Database Page Level Corruption

Now let us start to repair page-level corruption with the help of DBCC CHECKDB command. Before processing this command always take a full backup of the database files so that in the end you will be with your data backup if anything goes wrong.
Start following the instructions below:-

1. Check out the differences between the corrupt and the real file using text comparison software.
2. Time to execute DBCC CHECKDB command on the damaged file. This command performs a check on the systematic data integrity and gets back with the issues.
3. Execute DBCC Page command after switching on the trace flag 3604. This command will examine the infected content on the page.
   Here, filenum and pagenum are page ids and other print opt parameters are ;
   0 – will print page header
   1 – page header with per row hex dumps
   2 – page header with complete page hex dumps
   3 – page header with detailed per row interpretation
4. Run the command ‘SELECT * FROM dbo.tablename’. This command will confirm the page number.
5. Now you got the information about the location of the corruption had taken place. By using the text comparison software compare it with the original page
6. In the end, fix the corrupted page after detecting the flaws from the last step and then continue with the execution command “DBCC CHECKDB” on the restored file.

 Also Read: How to Repair SQL Server Error 3456

Best Alternate Approach to Fix the Page Level Corruption Issue

Do you find the DBCC page method challenging? yes of course because executing these type of commands requires experience and deep knowledge of SQL Server to execute efficiently. So select wisely and go for the simple and smart method to fix SQL Server Page Level Corruption.

Here, I would like to recommend you the SQL Recovery tool, as it is the best software advised by IT professionals and experts. It allows users to recover corrupt and damaged MDF as well as NDF files without any data loss.

Wrapping up

Hopefully,  I feel you have got many tips to repair SQL Server Page Level Corruption from the given article. Now select wisely which method is best suitable for you as per your knowledge and experience.

About The Author:

Mithilesh Tata

Mithilesh Tata is dedicated to making the lives of his customers as simple as possible. He enjoys learning about new applications and utilities that can help people protect their data. Mithilesh also has a strong grasp on email migration & data recovery. He enjoys validating every component of the software, technical materials, and anything else that has to do with his working life.

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