SQL database is a popular and useful relational database, but it is not free from technical flaws. SQL users often face various corruption related issues in SQL Server database. These issues occur due to the damage or corruption in the database of SQL Server. As these are common issues, SQL users must have clear concept regarding these issues. We will be discussing some major corruption related issues of SQL database and their symptoms. Users will also learn the remedial methods of these issues from this post. Let’s begin our discussion with the SQL Server errors and their symptoms.
Issues Related to SQL Server Corruption
Due to damaged or corrupt SQL Server database, users have to encounter different issues. We will discuss three major issues here.
SQL Fatal Error 823:
This error is caused by database corruption or some discrepancies of file system. It indicates that underlying hardware or driver situated n the path of I/O request is having some problem. This problem will generate some error messages that will display these information:
- Operating system’s error code and error description
- The file name that was executed against I/O operation
- If I/O operation request is written or read
SQL Error 5172
This error is caused by unhealthy MDF files. It occurs due to the mismatched header file information, so accessing data becomes really tough. In such cases, recovering damaged SQL database is very important. Here are the major causes of error 5172:
- Sudden shutdown of system
- Hardware malfunctioning
- Improper shut down of SQL Server
- Virus or Malware attack
3. SQL Error 8946: If a particular assigned page does not contain valid page header, error 8946 can appear. If the header gets damaged, the entire page faces corruption. This results in data loss and inaccessible file. Power failure, hardware problems, virus attack, etc. are responsible for this particular error.
How to Resolve Corruption Related Issues in SQL Server Database
If you are facing one of the above corruption based issues in your SQL database, it means the database has been corrupt or damaged. The only way to resolve these issues is to free the SQL database from all types of corruption. To repair the corrupt database of SQL Server, users can adopt any of the two different methods. One is called manual method and another is called one-stop method.
Method 1: Manually Fix SQL Database Corruption
If users want to fix their corrupt SQL database manually, they can try these different methods. First of all, they can restore updated backup of SQL Server. They can also try database console commands to repair database. DBCC Repair commands that can fix minor corruption of SQL database.
Limitations of Manual Technique
These manual methods have got some limitations too. The biggest limitation is that none of these methods guarantee to recover SQL Server database. Moreover, all these methods take a lot of time to perform. Users need to be technically expert to execute these steps. Inexperienced people needs to be careful about their database, when performing these methods. Also, major corruptions cannot be fixed by these methods.
Method 2: Fix Corrupt SQL Server Database using Sure-Shot Solution
It is clear from above discussion that manual methods cannot fix damaged database for sure. To repair corrupt database, users have to apply the one-stop solution. Using third-party tools is called sure-shot solution as they can fix all types of database corruption. SysTools SQL Database Repair is such a tool that can remove both major and minor SQL Server database corruption. It can fix corruption of SQL Server 2016 & all previous versions. This program is also capable of recovering data from MDF files affected by Wallet Ransomware.
If you are facing any of these corruption related issues in SQL Server database, be sure that SQL Server has been damaged. Users need to fix the SQL Server in order to get rid of these issues. we have mentioned some methods to make your SQL database corruption free. Users can try manual methods, but there is no guarantee that the damaged database will be fixed for sure. One can also try the third party tool to recover corrupted database. It can easily fix the damage of SQL Server and all related issues will get solved.