Multiple choice technology

How is the schema design in a data warehouse

  1. Normalized

  2. Denormalized

  3. both

  4. none
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Data warehouse schemas are typically denormalized intentionally to optimize query performance for analytical workloads. Unlike operational databases that use normalization (3NF) to reduce redundancy and ensure transactional integrity, data warehouses use denormalized structures like star schemas to minimize joins and speed up complex aggregation queries.

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