How to resolve SQL Corruption 'Database Error'?
SQL database are prominent management system which allows the user to store data on networked file server. They are used widely by companies to manage their business needs; however, corruption issues still persist. Reason being, there are plethora of physical and logical problems which a SQL data server can face in routine. Herein, we will discuss a frequent SQL database error and its resolution.
MS SQL databases files can be divided into multiple PFS (Page Free Space) intervals; these are 64MB in size. Also the PFS page comprise of a byte-map, it stores one byte for every page in the PFS interval. Any sort of corruption in PFS page might result in damaging stored bytes which can make entire database inaccessible for users.
This situation is due to several logical and physical errors. Considering the following error message which is displayed when a user tries to mount the SQL database:
"Database error: Page P_ID1 is marked with the wrong type in PFS page P_ID2. PFS status 0xVAL1 expected 0xVAL2."
This above error makes the entire stored records inaccessible for its users. Moreover, users may stick with corrupt SQL database which not only cause delay in their important work but also pose data loss condition.
Possible causes for the error:
This error is caused when the bits are not set properly:
The damage in PFS files can be due to logical or physical reasons. However, there are several methods devised to overcome this troublesome situation