| SQL Server uses index information so that if you | | | | Note: If you observe these problems persistently |
| process a query that could fetch quick results. | | | | occurring, the possible reason is hardware |
| These are created on table columns. An index is | | | | malfunction. |
| basically comprised of various pages, arranged in | | | | Solution |
| the form of a B-tree structure. So, as you | | | | Such table corruption errors should be resolved |
| execute a query, the engine starts navigating | | | | by following these methods: |
| from the root node and continue through the | | | | First, you need to analyze your system for |
| intermediate nodes till the leaf node is reached. | | | | possible hardware problems. You can deduce such |
| Any malfunction in this index structure might | | | | problems through error logs of operating system, |
| introduce table corruption errors. Such situations | | | | application and SQL Server(TM) . Try to fix such |
| require you to restore the data from backup or | | | | problems, if any. |
| use SQL Repair utilities that could repair the | | | | If you have valid data backup available, you need |
| database and its components effectively. | | | | to restore your lost data from it. |
| You might encounter the below table error with | | | | If issue persists because of unavailability of clean |
| your SQL Server database: | | | | data backup, you can run DBCC CHECKDB |
| "Table error: Cross object linkage. Page | | | | command that will let you know the exact repair |
| P_ID1->next in object ID O_ID1, index ID | | | | clause that could fix this corruption. Execute |
| I_ID1 refers to page P_ID2 in object ID O_ID2, | | | | DBCC CHECKDB command using the |
| index ID I_ID2 but is not in the same index." | | | | recommended repair clause. |
| This error is marked as error 8982 in SQL Server | | | | Applying the above measure can cause data loss. |
| error log with severity level 16. | | | | Thus, for better and safe SQL Recovery, you |
| Cause | | | | should use third-party tools to scrutinize and repair |
| An SQL Server table results the above error if | | | | damaged SQL Server databases. SQL Repair |
| the two pages (P_ID1 and P_ID2) have been | | | | applications are built with powerful technology to |
| marked with dissimilar index and/or object | | | | assist database recovery in each possible case of |
| information though they have been marked as | | | | corruption. |
| linked. | | | | |