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What's wrong with the logic applied to this trigger? DELIMITER $$ CREATE TRIGGER CreateAccount AFTER INSERT ON User FOR EACH ROW BEGIN END DECLARE account_id INT; SET account_id = (old.account_id + new.account_id); INSERT INTO Account VALUES (account_id, new.user_id); DELIMITER; a. We cannot create create accounts using Triggers. b. Nothing is wrong c. User attributes are out of the scope of the trigger d. Account's attributes are out of the scope of the trigger

What's wrong with the logic applied to this trigger? DELIMITER $$ CREATE TRIGGER CreateAccount AFTER INSERT ON User FOR EACH ROW BEGIN END DECLARE account_id INT; SET account_id = (old.account_id + new.account_id); INSERT INTO Account VALUES (account_id, new.user_id); DELIMITER; a. We cannot create create accounts using Triggers. b. Nothing is wrong c. User attributes are out of the scope of the trigger d. Account's attributes are out of the scope of the trigger

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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What's wrong with the logic applied to this trigger? DELIMITER $$ CREATE TRIGGER CreateAccount AFTER INSERT ON User FOR EACH ROW BEGIN END DECLARE account_id INT; SET account_id = (old.account_id + new.account_id); INSERT INTO Account VALUES (account_id, new.user_id); DELIMITER; a. We cannot create create accounts using Triggers. b. Nothing is wrong c. User attributes are out of the scope of the trigger d. Account's attributes are out of the scope of the trigger
Transcribed Image Text:What's wrong with the logic applied to this trigger? DELIMITER $$ CREATE TRIGGER CreateAccount AFTER INSERT ON User FOR EACH ROW BEGIN END DECLARE account_id INT; SET account_id = (old.account_id + new.account_id); INSERT INTO Account VALUES (account_id, new.user_id); DELIMITER; a. We cannot create create accounts using Triggers. b. Nothing is wrong c. User attributes are out of the scope of the trigger d. Account's attributes are out of the scope of the trigger
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