FIX: DELETE Results in 8908 Error Message When You Use a Parallel Plan

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Article ID: 275593 - View products that this article applies to.
This article was previously published under Q275593
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BUG #: 58405 (SQLBUG_70)
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A DELETE statement with a subquery fails with this error message
Server: Msg 8908, Level 22, State 6, Line 4
Table Corrupt: Database ID 10, object ID 165575628, index ID 0. Chain linkage mismatch. (1:19776)->next = (1:19765), but (1:19765)->prev = (1:20614).
If all these conditions are true:
  • The query uses a parallel plan.
  • The query uses a MERGE JOIN during execution.
  • Tables involved in the DELETE query have an INDEX and the deleted table in particular have a CLUSTERED INDEX.
However, subsequent execution of DBCC CHECKDB shows no corruption, which confirms that this error message should not occur.


To work around this behavior, use one of these methods:
  • Disable parallel plan generation server-wide through the sp_configure system stored procedure or as a query hint for the problem query by using the "OPTION (MAXDOP 1)" clause.

    NOTE: To disable parallel plan generation through the sp_configure system stored procedure, you must enable the Show advanced options configuration setting:
       sp_configure 'show advanced options', 1
       reconfigure with override
       sp_configure 'max degree of parallelism', 1
       reconfigure with override

  • Force a different type of JOIN like a HASH or a LOOP as a query hint for the problem query. -or-

  • Create a non-clustered index instead of a clustered index or drop the clustered index on the deleted table.


Microsoft has confirmed this to be a problem in SQL Server 7.0. This problem has been corrected in U.S. Service Pack 3 for Microsoft SQL Server 7.0. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
274799 INF: How to Obtain Service Pack 3 for Microsoft SQL Server 7.0 and Microsoft Data Engine (MSDE) 1.0
For more information, contact your primary support provider.


Article ID: 275593 - Last Review: February 28, 2014 - Revision: 5.1
  • Microsoft SQL Server 7.0 Service Pack 2
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