Analytical Data Systems and Warehousing Questions

Architectures and operational patterns for analytical workloads and reporting. Coverage includes data warehouses, data marts, column oriented analytic storage, data lake and lakehouse architectures, extract transform load and extract load transform pipelines, batch and streaming ingestion, schema on read versus schema on write, materialized views and aggregation strategies, columnar compression and storage formats, partitioning and clustering tuned for analytic queries, cost versus performance trade offs for managed cloud services, and integration with business intelligence and reporting tools. Candidates should be able to distinguish online analytical processing from online transaction processing and choose appropriate architectures and tools for large scale analytics, including managed offerings and cost optimization strategies.