5210. Stored Programs: procedure transaction contract — Review the design for production readiness and required changes. — School ERP — Python + FastAPI + SQLAlchemy

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

Scenario: A School ERP application must handle procedure transaction contract. Review the design for production readiness and required changes. 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

Option 1: Disable database protections and repair inconsistent rows manually after procedu

Disable database protections and repair inconsistent rows manually after procedure transaction contract runs.

Additional Explanation

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

Verified

Option 2: Run procedure transaction contract without defining transaction boundaries, retr

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

Additional Explanation

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

Verified Correct Answer

Option 3: Use a parameterized, transaction-aware MySQL 8 implementation for procedure tran

Use a parameterized, transaction-aware MySQL 8 implementation for procedure transaction contract, 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 4: 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 transaction contract.

Additional Explanation

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