3458. Stored routine: Create a procedure to return a customer's recent orders. — Performance

DBMS Published 30 Sept 2026 Updated 30 Sept 2026 0 Views Verified

In a stored routine module, solve this as a production problem using Performance: Create a procedure to return a customer's recent orders. Provide the SQL, explain the logic, show safe application integration, and mention failure/edge cases.

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Answer & Explanation

4 Answers

Verified

Option A

UPDATE table_name SET status='active';

Additional Explanation

Incorrect: it does not satisfy the stated business rule and can return/change unintended data.

Verified Correct Answer

Option B

DELIMITER // CREATE PROCEDURE recent_orders(IN p_customer_id BIGINT, IN p_limit INT) BEGIN SELECT id,order_date,total_amount,status FROM orders WHERE customer_id=p_customer_id ORDER BY order_date DESC,id DESC LIMIT p_limit; END // DELIMITER ;

Additional Explanation

A stored procedure can encapsulate reusable database-side logic; validate limits and authorization at the application boundary too.

Verified

Option C

SELECT * FROM table_name;

Additional Explanation

Incorrect: it does not satisfy the stated business rule and can return/change unintended data.

Verified

Option D

DELETE FROM table_name;

Additional Explanation

Incorrect: it does not satisfy the stated business rule and can return/change unintended data.