3377. Partitioning report: Identify records by month for a partition-friendly date filter. — Security

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

In a partitioning report module, solve this as a production problem using Security: Identify records by month for a partition-friendly date filter. Provide the SQL, explain the logic, show safe application integration, and mention failure/edge cases.

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Answer & Explanation

4 Answers

Verified Correct Answer

Option A

SELECT id,order_date,total_amount FROM orders WHERE order_date>=:month_start AND order_date<:next_month_start;

Additional Explanation

A half-open range allows the optimizer to prune partitions or use an index on order_date.

Verified

Option B

DELETE FROM table_name;

Additional Explanation

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

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

UPDATE table_name SET status='active';

Additional Explanation

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