What to do if SQL Server Database Corruption Does Not Repair Manually

Maintaining a SQL database is not at all easy. No doubt, with the use of SQL server many organization stores a lot of important information in a database. But, like any other database SQL database is also prone to corruption. And, because of that, you may lose your important files and data. There are many reasons behind corrupt SQL database, such as a problem in MDF file, accidental deletion of files, virus issue etc.

Main file present in SQL server database is MDF file, which is saved as MDF file extension. This file holds a lot of important information present in it in the form of tables and objects like rules, constraints, keys, triggers, procedure etc. Anyhow, if MDF file is corrupted, then you need to repair it by applying various manual techniques. But, if the manual procedure does not work, then you should opt for a third-party tool like SQL database recovery tool suggested by Data Recovery Help.

Therefore, in this post, you will see the best possible approaches to repair SQL server database corruption. But, first let’s see some reasons behind this issue:

Reasons for SQL Server Corruption:

• Accidental deletion of data present in SQL Server
• Might be there is a problem in the disk driver
• There is an issue in the MDF file, which results in corruption in MDF file
• A problem in storage media where all the MDF files are present
• Network interruption, while using SQL server

An issue in hard disk, virus/malware attack, improper system shutdown are some of the responsible factors behind corrupt SQL database

While working on MS SQL server database make sure that you are executing the right command because syntax error is one of the most common interruptions which is faced by many users. Apart, from that due to corruption in database files of SQL server database, the user faces an error message. Some of them might be you have seen, which are as follows:

• Page level corruption
• SQL database corruption error
• Data pages corruption
• Metadata corruption error
• Fatal Error 823

The above-listed error is quite common among the user, which arises due to a corrupt SQL database. So, let’s see how you can manually fix SQL database corruption. Although the manual procedure is tedious, make sure that you follow each of the steps carefully in order to resolve corruption on time. Here, are the two reliable methods to repair SQL Server database manually:

Method 1: By SQL Server Management Studio:

• Firstly, you need to open MS SQL Server Management Studio
• After this, click on the New Query button
• Now, a new query page will appear

Then write SQL scripts, like this on the page:

Note: Make sure that you put the original name of a database file, instead of “YourDatabase”

After this, click on Execute.

Method 2: By DBCC CHECK method:

• Firstly, you need to run DBCC CHECKDB on the corrupt database like this:

DBCC CHECKDB (Name of corrupt database)

• Also, you can mention some options such as infomsgs, no_infomsgs
• Now check the index id

Scenario 1: If index id is more than 1, drop it and create it again

Scenario 2: If index id is 0 or equivalent to 1, then you have to again DBCC CHECKDB with many options such as repair_rebuild, repair_fast, repair_allow_data_loss

To check whether it is fixed or not, again run DBCC CHECKDB command. If it is resolved, then a message will appear on your screen like this:

DBCC CHECKDB found 0 allocation errors and 0 consistency errors in ‘name of your corrupt database’

What to do if SQL Server Database Corruption does not repair manually

One really needs to be technically sound in order to execute a command in SQL server database. Any misspell or syntax error can turn scenario more severe, especially in case of highly corrupted MDF file. Another option which you can opt for fixing SQL Server corruption is SQL database recovery tool. Try it’s demo version to experience it’s functioning from your own eyes and get the desired recovered output in minimum time.

Salient Feature of the Software:

• Compatible with both SQL Server Page & Row compression
• Recover MDF as well as NDF file of SQL server
• Fixes default, views, triggers, tables etc.
• Supports all SQL versions and Windows editions

Realted Post