Data Modeling Interview Questions

70 questions in this collection

70 free samples · 0 member questions

Business Intelligence Developer Database Administrator Data Engineer Data Warehouse Architect

Practice designing database and warehouse models around their intended use. Explain normalization, dimensional schemas and the tradeoffs involved when applications grow or their data changes.

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Read the example aloud, then adapt it to your own experience. Use details you can explain in a follow-up.

• Explain the difference between a primary key and a foreign key.
• Describe the concept of normalization in a database.
• What is a data warehouse, and how does it differ from a traditional database?
• Can you explain what a star schema is in the context of data warehousing?
• What is an Entity-Relationship Diagram (ERD) and why is it used in database design?

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