3044. Archival: Move completed orders older than one year into an archive transactionally. — Multi-language REST API

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

In a archival module, solve this as a production problem using Multi-language REST API: Move completed orders older than one year into an archive transactionally. 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

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 B

START TRANSACTION; INSERT INTO order_archive SELECT * FROM orders WHERE status='completed' AND order_date

Additional Explanation

Only use this pattern when schema, constraints, locking and archive completeness are validated; production archival often uses batched jobs.

Verified

Option C

UPDATE table_name SET status='active';

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.