Interview preparation
Delta Lake interview questions
Every question starts with a direct answer you could say out loud, then explains why, when and what goes wrong. Tick questions off as you practise.
All Delta Lake questions
| # | Question | Difficulty | Type | Done |
|---|---|---|---|---|
| 1 | What problems does Delta Lake solve? | Easy | conceptual | |
| 2 | What is schema evolution and when is it safe? | Medium | conceptual, scenario |
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Concept review
- LessonIntermediateData Lakes, Lakehouse Architecture and Delta Lake
- LessonIntermediateDelta Lake vs Traditional Data Lake Tables
- LessonBeginnerJSON vs Parquet for Analytics Pipelines
- LessonIntermediateParquet vs Avro vs ORC for Data Engineering
- LessonAdvancedSchema Evolution: Safe Design Patterns
- LessonIntermediateDelta Lake: Transactions, Schema Evolution and Time Travel