Written By Adom Smith
Updated on December 13th, 2018
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:
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:
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:
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.
DBCC CHECKDB (Name of corrupt database)
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’
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.
About The Author:
Adom Smith is a DataRecoveryHelp Technology Writer. He is a technology enthusiast with over 3 years of experience in Data Recovery, IoT, Artificial Intelligence, and Robotics. He enjoys researching and sharing DIY solutions as well as tips and tricks for resolving Windows technical issues.
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