How to Rectify Consistency Errors in System Catalog
System catalog is a group of tables that database management system itself creates and maintains user-defined objects such as tables, schemas, domains, constraints, other catalogs, security and many more in the database. Tables in the system catalog are known as the system tables because they contain data that describe the structure of the database. Sometimes tables of the SQL Server database get corrupted due to several reasons like virus attach, system failure, power outages, etc. In such cases you should use proper method to rectify the problem. If you are not able to repair your SQL Server database then used as advanced third party SQL Server recovery software to fix the problem.
Consider a praticle scenario where you may encounter the given below error message while using the DBCC CHECKNAME command on SQL Server database:
"Database 'DBNAME': consistency errors in system catalogs prevent further DBCC CHECKNAME processing."
Cause of problem:
There are several possible cause of above error message, some of them are given below:
The System base tables are damaged or corrupt.
The System base tables store the metadata for the all objects in the database.
Resolution:
For resolving above error messages, you have to do some steps which is given below:
Resolve hardware issue: You should check the error log and hardware component. If you will find any problem with the hardware then replace it with the new one.
Restore from Backup: After you have satisfy from the harware and still unable to recover database then restore the SQL Server database from latest backup and fix the problem.
Run DBCC CHECKDB Command: If your backup is not clean and updated the run DBCC CHECKDB command to resolve the problem.
After completing all the above steps in given order and still unable to access SQL server database then you should try an advanced SQL recovery tool to recover sql server database.
Stellar Phoenix SQL Recovery is an advanced sql recovery tool that repairs SQL databases from all instances of logical corruption. It is specifically designed to perform MS SQL recovery for databases created in SQL server 2008, 2005, 2000, and 7.0.
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