6935. Operational Snapshots: financial-period snapshot — Recover from failure without violating consistency. — messaging — Java Spring/JDBC

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

Scenario: A messaging system needs financial-period snapshot. Recover from failure without violating consistency. Define the snapshot boundary, consistency rules, failure handling, validation and recovery strategy.

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Answer & Explanation

4 Answers

Verified

Option 1: Disable transaction/consistency controls to make financial-period snapshot faste

Disable transaction/consistency controls to make financial-period snapshot faster.

Additional Explanation

A production snapshot needs an explicit consistency boundary and verification.

Verified Correct Answer

Option 2: Create financial-period snapshot with an explicit consistency boundary, paramete

Create financial-period snapshot with an explicit consistency boundary, parameterized SQL, deterministic validation and safe retry/recovery handling.

Additional Explanation

A production snapshot needs an explicit consistency boundary and verification.

Verified

Option 3: Create financial-period snapshot with uncontrolled reads and assume the result i

Create financial-period snapshot with uncontrolled reads and assume the result is always consistent.

Additional Explanation

A production snapshot needs an explicit consistency boundary and verification.

Verified

Option 4: Publish financial-period snapshot before validation and repair discrepancies lat

Publish financial-period snapshot before validation and repair discrepancies later.

Additional Explanation

A production snapshot needs an explicit consistency boundary and verification.