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Learn How To Recover Corrupted Database In SQL Server

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In today’s world, almost all large and small organizations use MS SQL Server to store and manage their important data. However, due to some unfortunate situations like virus attack, abrupt shutdown, sudden power failure, and several other issues, the SQL Server database becomes corrupted and users are unable to access their data. 

Repairing corrupted Database can be a tiresome task if users don’t follow the right procedure. There are manual approaches available to repair corrupt SQL database but professional third-party software is always the best solution to do it. 

Well, in this blog we have explained both the manual as well as an automated solution to recover corrupted database in sql server efficiently. But before knowing the resolving workarounds, you should know the reasons for SQL database corruption.

 

Possible Reasons behind SQL Database corruption:

SQL Server database can be corrupted due to several reasons. As we all know, MDF file is the primary database file of the SQL server which contains all the physical data, and corruption in MDF file can corrupt the entire database. Some major reasons for MDF corruption are:

  1. Precipitous System Shutdown:Precipitous shutdown or sudden power failure that unexpectedly turns off the computer, increase the chances of database corruption.
  2. Virus attacks:It is one of the major reasons for SQL Server database corruption. 
  3. Hard disk failure:If the system’s hard disk failed or there are bad sectors available where SQL Server database files are stored, then the chances of corruption increases.
  4. Bugs:If there are bugs in the SQL Server database then these bugs damage the database.

 

Recover Corrupted database in SQL Server 2019, 2017, 2016, 2014, 2012, 2008

You can achieve this by using two methods, one is an automated software solution and another one begin a manual method. Let us explore each method in a detailed manner.

 

 

Method #1. Recover corrupted SQL database with DBCC CHECKDB

Although, this is not an effective approach to recover corrupted database in SQL Server. But it can look for minor issues. To execute this method, you need to run the following command on the corrupt SQL Server database.

DBCC CHECKDB(Database_Name)

The command will run and as the result, you have to check the index ID.

  • If Index ID>1, then skip it and run the command again.
  • If Index ID is either 0 or 1, then run the command again by using the appropriate functions like repair_rebuild, repair_fast, repair_allow_data_loss.

The syntax to run these commands is-

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)

 

 

Method #2. Best Automated solution to Recover Corrupted Database in SQL Server (safe & secure)

The manual method might be very complicated for non-technical or novice users as it uses complex terms that might require great technical knowledge to execute. If you want a simple and direct solution then it is better to go with a reliable third-party tool i.e. SQL Database Recovery.

This is an advanced utility that can repair corrupted SQL database with great ease or without compromising the data integrity. Being an advanced solution this software also recovers permanently deleted data items without losing a single of information. The graphical user interface of this tool is very simple and easy and use that a novice user can easily use it without any technical assistance. 

 

Follow the steps to Repair corrupt SQL Database 2019, 2017, 2016, 2014, 2012, 2008

Step 1. Download and run the software in your system. To load database MDF file into the software click on Open button.

Step 2. Choose a Scanning Mode (either Quick or Advance) for scanning the database MDF files. Select SQL Server version of the corrupt database file and users can also check the checkbox corresponding to Recover Deleted Objects option they want to recover the deleted database objects.

Steps 3. Preview the recovered database items like triggersrulestables, etc. and click the Export button to export the recovered SQL Database.

Step 4. Now, choose an export option and the detail accordingly. Finally hit the Export button to begin the exporting process.

 

Concluding words

In this technical post, both manual and automated solutions are described in a detailed manner. However, the manual method to recover corrupted database in SQL Server is not as easy as it may seem because it users complex term to understand. So, if you want an easy and reliable solution for the same then you must use the suggested professional software solution. This utility is easy to use and efficiently recover corrupted SQL database without compromising data integrity or loss.

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