XML FeedsFIX: A MERGE statement may not enforce a foreign key constraint when the statement updates a unique key column that is not part of a clustering key and there is a single row as the update source in SQL Server 2008
In Microsoft SQL Server 2008, a foreign key constraint may not be enforced when the following conditions are true:
• A MERGE statement is issued.
• The target column of the update has a nonclustered unique index.
Microsoft has created the first Hotfix for SQL Server 2008 which will fix this issue.
You can read more about this bug including how you can obtain the fix here: http://support.microsoft.com/kb/956718
Denis has been working with SQL Server since version 6.5. Although he worked as an ASP/JSP/ColdFusion developer before the dot com bust, he has been working exclusively as a database developer/architect since 2002. In addition to English, Denis is also fluent in Croatian and Dutch, but he can curse in many other languages and dialects (just ask the SQL optimizer) He lives in Princeton, NJ with his wife and three kids.
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