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Knowledge exercises·Independent answers
Principles and Solutions have been collapsed. Explain the core mechanism, boundaries and verification methods in your own words, and then compare them.
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Explain in your own words first
The core principles, analysis, Q&A and migration cases have been closed. When you are ready, unfold it and compare it with the content to find any omissions.
Hands-on verificationComplete on demand · Suggestions15 minutes
Split design v1 to v2 migration for waiting state, retaining original approvals and budget.
Expand acceptance requirements and checkpoints
- Old snapshots can be traced back
- Repeated migrations will not consume the budget repeatedly.
- Undetermined status explicitly blocks
Key inspections
- Know that persistence does not mean cross-version compatibility
- Have a clear migration and old version strategy
- Rollback takes into account data state