Modern Database Technologies Questions

Evaluate familiarity with contemporary database technologies and the trade offs for different use cases. Areas include relational and non relational systems, distributed NewSQL alternatives, managed cloud databases and platform services, column oriented and analytical stores, data warehouse and lakehouse designs, stream processing and change data capture, replication and consensus protocols, multi region and active active patterns, serverless databases, migration strategies, and criteria for selecting technologies based on consistency requirements, latency goals, cost, and operational complexity.