How To Resolve "B-tree Chain Linkage Mismatch" Error Message Article

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How to Resolve "B-tree chain linkage mismatch" Error message

The fast results of SQL queries is a result of b-tree indexes used by SQL Server. A single B-tree consists of number of index nodes, root nodes, branch nodes, and leaf nodes that enable you to systematically store your data.

Author: Adishree Singh

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Corruption in any of the nodes (specially index nodes) can result into inaccessibility of records stored in the database. In most of these situations, you encounter an error message stating the exact cause. To surpass the above database inaccessibility circumstances, you will need to use restore the data stored from an updated backup. However, in absence of an updated backup or backup falls short to restore the required data, then you will need to search for advanced third-party sql repair application.

Consider a practical scenario, where you receive the below error message when you attempt view the records saved in your SQL Server database:
Table error: Object ID O_ID, index ID I_ID. B-tree chain linkage mismatch. P_ID1->next = P_ID2, but P_ID2->Prev =P_ID3.

After the above error message appears, the data stored in the database becomes inaccessible. Moreover, you receive the same error message each time you attempt to access the database.

Cause
The root cause for the occurrence of the above error message is the break in the logical page chain at any level (root or leaf) of B-tree. This scenario can occur due to various logical or physical factors.

Resolution
For absolute resolution of the above error message caused due to either logical or physical reasons, you will need to follow the below measures:
Execute DBCC CHECKDB command, with repair clause to resolve the error caused due to logical corruption.
Change the physically damaged component in case of physical corruption. To identify the damaged component, you will need to examine the application the application and Microsoft Windows system logs.

If the above the measures fail to perform, and there is database backup available, then you will need to search for powerful SQL Repair software. These SQL Database Repair tools serve as self explanatory and repair centric tools and are completely non-destructive in nature.

Stellar Phoenix SQL Recovery is an advanced application that is competent enough to repair corrupt SQL Server 2008, 2005, and 2000 databases after all logical scenarios. The repair sql software employs high end scanning methods to recover almost all SQL database components including tables, views, rules, stored procedures, etc.

About Author

Adishree Singh work as a freelancer and researcher repair sql & sql database repair software.

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How to Resolve "B-tree chain linkage mismatch" Error message