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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.
Answers and personal notes
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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
Write a return structure for a query with 100,000 rows to let the caller know whether it can directly answer the total amount.
Expand acceptance requirements and checkpoints
- Integrity status is clear
- The source of the value can be reviewed
- Reference read recheck permissions
Key inspections
- Distinguish between samples, complete data, and aggregates
- Deterministic calculations have query capabilities
- References and pagination maintain permissions and versions