Article ID: 214818 - View products that this article applies to.
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BUG #: 53943 (SQLBUG_70)
Attempting to update a column using a declared variable may fail if that column has a FOREIGN KEY (FK) constraint and the FROM clause references multiple tables. In such cases, the following error message occurs:
For example, the following would cause the error:
Server: Msg 8623, Level 16, State 2, Line 8
Internal Query Processor Error: The query processor could not produce a query plan.
To work around this problem, use CONVERT to cast the variable to its data type. In the preceding example, replace:
Microsoft has confirmed this to be a problem in SQL Server 7.0. This problem has been corrected in U.S. Service Pack 2 for Microsoft SQL Server 7.0. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
254561For more information, contact your primary support provider.
(https://support.microsoft.com/kb/254561/ )INF: How to Obtain Service Pack 2 for Microsoft SQL Server 7.0 and Microsoft Data Engine (MSDE) 1.0