Repair corrupted SQL Server database even if DBCC CHECKDB fails in SQL Server. This blog describes, what to do when DBCC CHECKDB failed and printed database corruption errors.
SQL Server is one of the most widely used relational databases nowadays. It contains the advanced internal structure and offers great reliability. For this reason, many organizations use SQL Server database to save the most important business-related data. Along with this, DBCC CHECKDB command checks the physical as well as the logical integrity of database objects using DBCC CHECKALLOC, DBCC CHECKCATALOG, and DBCC CHECKTABLE.
There is no need to run these commands separately as DBCC CHECKDB integrates all of them. It may be carried out on all databases and proves the content of an indexed view, link-level consistency among tables, files and service broker files in a database.
But, sometimes, data may be corrupted due to hardware failure, power failure, etc. Therefore, in this blog, we will explain a tremendous solution to repair a corrupt SQL database. Before that, we will discuss several reasons and what if DBCC CHECKDB fails in an absolute way.
Reasons Behind SQL Database Corruption
There are many reasons behind the corrupt SQL Server database. As we all know, the MDF file of SQL database is a primary database file. But, sometimes users crucial data may be corrupted or damaged. Here, we will discuss all possible reasons behind SQL database file corruption:
- Virus attacks to one or more volumes on the SQL database server
- The problem occurs in hardware such as Disk, Controller, CPU, or Memory Modules
- Improper computer shutdown owing to power outage or hard reboot
- Few bugs are available within Microsoft products
- Technical faults within an external hard drive or other data storage devices connected to the server
What to do When DBCC CHECKDB Fails?
DBCC CheckDB command is the best solution to detect the corruption issue. Although, sometimes this command fails to resolve the corruption issue which essentially leads to return many errors. One simple solution is to restore the database and files from a backup.
But this issue still exists if you do not have any backup copy or you do not take backups regularly or a backup gets corrupted by any hardware or software failure. At that moment, the database is inaccessible. Furthermore, manual solutions do not guarantee database recovery thus, users can take help of a reliable third-party tool.
Professional Way to Repair Corrupted Database
There are many solutions by which users can easily repair the corrupted .mdf files. But, sometimes manual ways fail to restore the damaged MDF database file. Thus, users can opt for a reliable tool such as SQL Database Repair Solution by SysTools.
It is designed in such a way as to repair corrupt MDF and NDF SQL Server Database file without any data loss. It also helps to restore Triggers, Rules, Functions, Tables, Stored Procedures in an efficient way. It is capable enough to fix corruption issues in MDF and NDF files. The best part of this software is that it offers the auto-detect option and supports ASCII and Unicode XML data types. It has a user-friendly interface that even a novice user can use without requiring any external help.
Working Steps to Repair Corrupted SQL Database
Go through the following steps to recover damaged SQL database from MDF file. Let us have a look:
- Download and run SysTools SQL Recovery application on your local system
- Then, open a corrupt SQL database file (MDF) as per your choice
- After this, you can select the Scan Mode and press OK button
- Now, the software will provide a preview of all data items stored in the corrupt MDF file
- Hit on the Export option to save the recovered database file
Time to Conclude:
Database files are very crucial for all users, as they keep lots of information in a safe and secure manner. But, sometimes users failed to perform DBCC CHECKDB command properly and it leads to corruption issue in SQL database.
Therefore, to overcome all such problems, we have suggested a reliable solution namely SysTools SQL Recovery Software, which helps to repair corrupt SQL database files. Along with this, we have explained the complete working steps of the tool in a proper manner.