Top 50 database access Interview Questions
The most frequently asked database access questions across all roles and companies, ranked by real interview frequency. Updated daily.
Compare relational, NoSQL, distributed SQL, and analytical database architectures for high-traffic applications.
PraytellCCredflowFFinastra (Misys International Banking Systems Limited)Design BookMyShow as an object-oriented system, defining entities, interfaces, methods, and database choices.
Microsoft
Roku
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Design a distributed cache that reduces backend retrieval latency while preserving consistency, availability, and predictable failure behavior.
Infineon TechnologiesAAdita Technologies
IndeedDesign a reliable API for fetching data, covering contracts, storage access, pagination, authorization, and operational safeguards.
Amazon Web Services
Amazon
Amazon ServicesDesign a library management system covering cataloging, borrowing, returns, reservations, and transactional consistency.
ChewyDDelivery Hero India
Aurora InnovationExplain the difference between sharding and partitioning, including placement, scaling, routing, and operational tradeoffs.
Andela
DeloitteDesign Instagram's feed schema, follower APIs, databases, and scalable post retrieval architecture.
Warner Bros.
Warner Bros. Discovery
PhonepeExplain how to choose database architectures for high-volume ML data, serving, and feedback workloads.
ClouderaFFINN