Multiple choice technology web technology

Data in a data warehouse

  1. Can be normalized but often isn't

  2. In a flat file format

  3. Must be in normalized form to at least 2NF

  4. Must be in normalized form to at least 3NF
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A Correct answer
Explanation

Data in a data warehouse is structured for analytical queries and reporting. It can be normalized, but it often is not (denormalized into star or snowflake schemas) to optimize read performance.

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