5236. Stored Programs: procedure dependency audit — Reduce cost/latency while preserving semantics. — e-commerce — Python + FastAPI + mysql-connector

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

Scenario: A e-commerce application must handle procedure dependency audit. Reduce cost/latency while preserving semantics. Explain the invariant, SQL strategy, transaction/locking behavior, failure handling, observability and test plan. Use MySQL 8-oriented syntax where applicable.

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Answer & Explanation

4 Answers

Verified Correct Answer

Option 1: Use a parameterized, transaction-aware MySQL 8 implementation for procedure depe

Use a parameterized, transaction-aware MySQL 8 implementation for procedure dependency audit, validate the invariant, and explicitly test concurrency, retries and recovery.

Additional Explanation

Correctness depends on explicit invariants, safe SQL, transaction/concurrency handling and verification.

Verified

Option 2: Use unparameterized dynamic SQL and rely only on application-side validation for

Use unparameterized dynamic SQL and rely only on application-side validation for procedure dependency audit.

Additional Explanation

Correctness depends on explicit invariants, safe SQL, transaction/concurrency handling and verification.

Verified

Option 3: Disable database protections and repair inconsistent rows manually after procedu

Disable database protections and repair inconsistent rows manually after procedure dependency audit runs.

Additional Explanation

Correctness depends on explicit invariants, safe SQL, transaction/concurrency handling and verification.

Verified

Option 4: Run procedure dependency audit without defining transaction boundaries, retry be

Run procedure dependency audit without defining transaction boundaries, retry behavior, or production validation.

Additional Explanation

Correctness depends on explicit invariants, safe SQL, transaction/concurrency handling and verification.