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AskSQLTeam
Ask SQLTeam Question
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 Posted - 2001-10-24 : 09:20:45
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| Erich writes "I have table A with primary key aa. I have table B with primary key bb. I have table C with primary key cc. Primary key aa is a foreign key in table B. Primary key bb is a foreign key in table C.I have a trigger that on deletion of a record in table A, it will delete all the records in it’s child tables that contain “aa” as a foreign key.Because table C contains bb do I need to specify a seperate trigger for table B to delete it's children when a record in table BB is deleted or will the trigger written for table A take care of this. If table C is not deleted and the record in table B that contains the foreign key for table C is deleted, it seems I would mess up the integrity of the data in my database." |
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Cascading Deletes