lease review this SQL trigger and let me know why instead of just updating the CS_Loyalty level for the customer that has a newly inserted ticket it updates all the customer's loyalty level to Emmy. CREATE TRIGGER Increment_ticket ON ticket

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
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Please review this SQL trigger and let me know why instead of just updating the CS_Loyalty level for the customer that has a newly inserted ticket it updates all the customer's loyalty level to Emmy.

CREATE TRIGGER Increment_ticket
ON ticket
AFTER insert AS BEGIN
UPDATE Customer SET CS_VISITS=CS_VISITS+1 IF 5 > (Select CS_VISITS from Customer where Customer.CS_ID= (Select C_ID from inserted))
UPDATE CUSTOMER SET CS_Loyalty= 'Emmy' where Customer.CS_ID= (Select C_ID from inserted)
ELSE
IF 15 > (Select CS_VISITS from Customer where Customer.CS_ID= (Select C_ID from inserted))
UPDATE CUSTOMER SET CS_Loyalty ='Grammy' where Customer.CS_ID= (Select C_ID from inserted)
ELSE
IF 30 > (Select CS_VISITS from Customer where Customer.CS_ID= (Select C_ID from inserted))
UPDATE CUSTOMER SET CS_Loyalty= 'Oscar' where Customer.CS_ID= (Select C_ID from inserted)
ELSE
IF 50 > (Select CS_VISITS from Customer where Customer.CS_ID= (Select C_ID from inserted))
UPDATE CUSTOMER SET CS_Loyalty= 'Tony' where Customer.CS_ID= (Select C_ID from inserted)
ELSE
IF 50 <= (Select CS_VISITS from Customer where Customer.CS_ID= (Select C_ID from inserted)) UPDATE CUSTOMER SET CS_Loyalty = 'EGOT' where Customer.CS_ID= (Select C_ID from inserted)
END;

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