Real questions from top companies in SQL · hard
What are the benefits of using a cloud data warehouse (e.g., Redshift, Snowflake) for analytics?
What are the key design principles for a cloud-based data warehouse?
What are the trade-offs between relational databases and NoSQL for financial data?
What considerations are important when designing a dimensional model for a ridesharing app?
What is CTE in SQL?
What is a Data Warehouse, and can you explain its Tier-1 and Tier-2 architecture?
What optimizations would you apply for partitioning strategies?
What strategies and technologies would you consider when designing a data warehouse architecture for efficient data storage and retrieval?
You need to design a Kafka topic for a logging service. How would you decide the number of partitions and the key for partitioning to balance throughput and ordering requirements?
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