267. Insert transaction log — implementation 3

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

Write the MySQL 8.0 query to insert transaction log. Assume the relevant table/columns exist.

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Answer & Explanation

4 Answers

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Option A

Use a CROSS JOIN without a filter.

Additional Explanation

This option is incorrect for the stated requirement.

Verified Correct Answer

Option B

INSERT INTO transactions (account_id, type, amount, created_at) VALUES (10, 'credit', 5000, NOW());

Additional Explanation

Correct implementation. Prefer parameterized queries in application code, validate affected rows for UPDATE/DELETE, and use transactions for related writes.

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Option C

Use TRUNCATE for only the matching rows.

Additional Explanation

This option is incorrect for the stated requirement.

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Option D

Use SELECT instead of the required operation.

Additional Explanation

This option is incorrect for the stated requirement.