The IF UPDATE <column> clause will return FALSE in a UPDATE trigger if the
<column> is referenced by a foreign key constraint. The IF UPDATE <column>
clause will return TRUE in an INSERT trigger or if the foreign key
constraint on the referencing table is removed.
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Remove the foreign key from the referencing table.
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Microsoft has confirmed this to be a problem in Microsoft SQL Server 6.0
and 6.5. We are researching this problem and will post new information here
in the Microsoft Knowledge Base as it becomes available.
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Note that the update trigger will only get fired in this type of situation
if the update does not violate the foreign key constraint. By design, SQL
Server prevents a trigger from executing if a constraint is violated.
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This article was written about products for which Microsoft no longer offers support. Therefore, this article is offered "as is" and will no longer be updated.
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