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Editorial Team
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Asked: 2026-05-24T13:27:03+00:00

I know this can be done with foreign keys but I cannot add them

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I know this can be done with foreign keys but I cannot add them or something weird happens when I am inserting new records. There are a lot of stored procedures in this database and I don’t know what they do since I know nothing about stored procedures. I was hoping someone could help me figure out a trigger that will delete a specific ProductID when I delete it from the Product table. It is also located in tables called CompanyLink, TargetLink, and CategoryLink.

As of right now, when I delete the ProductID from the Product table, I have to manually delete it from the other 3 tables it was inserted into.

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1 Answer

  1. Editorial Team

    You can do it through a trigger like this:

    CREATE TRIGGER [dbo].[ProductDeleted]
ON [dbo].[Product]
AFTER DELETE
AS
BEGIN

   DELETE FROM CompanyLink WHERE ProductID = (SELECT TOP 1 ProductID FROM DELETED)
   DELETE FROM TargetLink WHERE ProductID = (SELECT TOP 1 ProductID FROM DELETED)

END

    Obviously the syntax might not be perfect, but this is close to what you need.

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