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I'm trying to create a trigger function according to the following question: If an account is deleted, then write a trigger to delete the dependent tuple(s) from the depositor table for every owner of the deleted account. Note that there may be jointly-owned bank accounts. In other words, you are to write a trigger that performs the exact action of an ON DELETE CASCADE clause of a FOREIGN KEY CONSTRAINT   CREATE trigger YEN_11_bankTrigger after delete on account referencing old table as deleted for each statement for each row delete from depositor when depositor.account_number = deleted.account_number EXECUTE FUNCTION YEN_11_bankTriggerFunction(); but it's not working

I'm trying to create a trigger function according to the following question: If an account is deleted, then write a trigger to delete the dependent tuple(s) from the depositor table for every owner of the deleted account. Note that there may be jointly-owned bank accounts. In other words, you are to write a trigger that performs the exact action of an ON DELETE CASCADE clause of a FOREIGN KEY CONSTRAINT   CREATE trigger YEN_11_bankTrigger after delete on account referencing old table as deleted for each statement for each row delete from depositor when depositor.account_number = deleted.account_number EXECUTE FUNCTION YEN_11_bankTriggerFunction(); but it's not working

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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I'm trying to create a trigger function according to the following question:

If an account is deleted, then write a trigger to delete the
dependent tuple(s) from the depositor table for every owner of the deleted account. Note that there may be jointly-owned bank accounts. In other words, you are to write a trigger that performs the exact action of an ON DELETE CASCADE clause of a FOREIGN KEY CONSTRAINT

 

CREATE trigger YEN_11_bankTrigger
after delete on account
referencing old table as deleted for each statement
for each row
delete from depositor
when depositor.account_number = deleted.account_number
EXECUTE FUNCTION YEN_11_bankTriggerFunction();

but it's not working

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