Microsoft KB Archive/286249

= FIX: Complex Update Statement Returns 8624 Internal SQL Server Error =

Article ID: 286249

Article Last Modified on 10/16/2003

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APPLIES TO


 * Microsoft SQL Server 2000 Standard Edition

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This article was previously published under Q286249



BUG #: 351305 (SHILOH_bugs)



SYMPTOMS
An UPDATE statement that contains a subquery, which selects from a derived table formed from a UNION ALL, may generate the following error message:

Server: Msg 8624, Level 16, State 21, Line 2

Internal SQL Server error.



RESOLUTION
To resolve this problem, obtain the latest service pack for Microsoft SQL Server 2000. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

290211 INF: HOw to Obtain the Latest SQL Server 2000 Service Pack



WORKAROUND
If possible, rewrite the query by using only the UNION operator, without the ALL keyword.



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article. This problem was first corrected in Microsoft SQL Server 2000 Service Pack 1.



MORE INFORMATION
To reproduce this error, run this script: CREATE TABLE MaxCol( PK INT PRIMARY KEY, f1 INT, f2 INT, mx INT ) GO

UPDATE MaxCol SET mx = (SELECT MAX(f)   FROM        ( SELECT f1 AS f       FROM MaxCol AS A        WHERE A.PK=MaxCol.PK        UNION ALL SELECT f2       FROM MaxCol AS B        WHERE B.PK=MaxCol.PK        ) AS TU    )

Keywords: kbbug kbfix kbsqlserv2000sp1fix KB286249

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