Fix Database Consistency and Integrity Error Reported By DBCC CHECKDB

This blog has summarized the solution for “How to fix consistency and Integrity errors reported by DBCC CHECKDB”.

The SQL database is the most popular database among the other database. But, sometimes there are issues in the SQL database. These issues result in the drastic conditions by which there is a lot of problem in accessing the database. So, for this type of condition, we are going to discuss the database consistency error reported by DBCC CHECKDB.

Introduction to Database Consistency Error

Mainly, this error occurs when you run the DBCC CHECKDB command. Then, the command shows the consistency error in SQL Server. Though, the DBCC CHECKDB command is used for physical and logical consistency of the database. It is consist of rows, index relationships, allocation pages, table referential integrity, etc. At times, there is a situation when there is a failure of consistency checks fail. As a result, the error arises after the execution of this command.

Causes for Occurrence of Database Consistency Error

There are many causes which are responsible for consistency error. But, here I am mentioning some of the main causes. These are as follows:

1. The problem associated with drive or SQL Server engine.
2. The file system of the database may be corrupt.
3. Presence of damaged pages in the memory.
4. There can be issue or problem within a hardware system.

To overcome these above-mentioned issues let’s find some solution in the below section.

Manual Fix for Database Consistency Error Reported by DBCC CHECKDB

Firstly, you should restore the backup of the data to repair this error. In case, there is a problem in restoring the backup then you can also try the repair option provided by CHECKDB. Along with you take care of issues present in the file system and hardware.

Some of the manual methods are as follows:

1. Run CHKDSK Command for File System Integrity Check

You can run CHKDSK command when there is an issue related to the integrity of the file system. After running this command it will make and display the report of errors on the disks.

2. Verify the Windows System Event Log

The Windows System Event Log error occurs due to the input-output issues. So, for this, you can run a Windows system event log check.

3. Ensure I/O Requirements of SQL Server

Make sure that all the I/O requirements are fulfilled like many counters are associated with the SQL Database that is directly related to I/O.

4. Inspect The SQLIOSim Tool

The SQLIOSim tool is used for checking the I/O integrity of disk system. There are chances that it might be causing the consistency error.

5. Choose Minimum Repair Option

Choose the minimum repair option when you run DBCC CHECKDB.

Automated Method

If you want the quick recovery and not want to spend your time trying above methods then there is an alternate solution SQL Data Recovery tool. This tool will fix the database consistency error. It will also repair the corruption in the database file easily.

Conclusion

I want to conclude that you can try any method to fix the error which is suitable for you.

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