2200. HR: Find employees who have been with the company for more than five years. — Node.js + Express + mysql2

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

In a hr module, solve this as a production problem using Node.js + Express + mysql2: Find employees who have been with the company for more than five years. 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

DELETE FROM table_name;

Additional Explanation

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

Verified

Option B

SELECT * FROM table_name;

Additional Explanation

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

Verified Correct Answer

Option C

SELECT id,name,hire_date FROM employees WHERE hire_date

Additional Explanation

DATE_SUB provides a direct tenure boundary based on the current date.

Verified

Option D

UPDATE table_name SET status='active';

Additional Explanation

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