947. Show function definition — implementation 3

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

Write the MySQL stored routine implementation for this backend/database task. Include validation where appropriate.

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Answer & Explanation

4 Answers

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Option A

Use a trigger when an explicit callable procedure/function is requested.

Additional Explanation

This option is incorrect for the stated requirement.

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Option B

Commit unrelated application work inside every function.

Additional Explanation

This option is incorrect for the stated requirement.

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Option C

Use only a SELECT and ignore the requested routine.

Additional Explanation

This option is incorrect for the stated requirement.

Verified Correct Answer

Option D

SHOW CREATE FUNCTION calc_tax;

Additional Explanation

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