Design a fault-tolerant Spark Streaming checkpoint strategy: what to persist, recovery semantics, and cost/scalability trade-offs with checkpoint frequency.
Spark/Big Datahard
2
How do these transformations impact memory usage?
General/Otherhard
3
How does it differ from static partition pruning?
SQLhard
4
Explain Delta Live Tables and their features, such as declarative pipeline definition and automatic data validation.
Spark/Big Datahard
5
Explain data encryption in Databricks, both at rest and in transit.
Spark/Big Datahard
6
Explain the architecture of Databricks, including the control plane and data plane.
Spark/Big Datahard
7
How do Delta Live Tables ensure data quality during transformations?
Spark/Big Datahard
8
How do you implement row and column-level security in Databricks?
Spark/Big Datahard
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