Multiple choice

A data warehouse is which of the following?

  1. Can be updated by the end users

  2. Contains numerous naming conventions and formats

  3. Organized around important subject areas

  4. Contains only current data

  5. None of these

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Data warehouses integrate data from multiple source systems, which inherently contain different naming conventions and formats. During extraction and loading (ETL), the warehouse must handle these diverse formats before standardizing them for analysis.

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