To prevent the specific query from having a parallel plan, specify the MAXDOP option with a value of 1. For example, on the Pubs database:
SELECT * FROM authors OPTION (MAXDOP 1)
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.
For more information, see the following sections in SQL Server Books Online:
"Parallel Query Example" "Parallel Query Processing" "Degree of Parallelism"