Multiple choice technology

A Data warehouse is

  1. Subject- oriented, integrated, time variant (temporal) and volatile

  2. Transaction - oriented, integrated, time variant (temporal) and non-volatile

  3. Subject- oriented, integrated, non time variant (temporal) and volatile

  4. Subject- oriented, integrated, time variant (temporal) and non-volatile
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

A data warehouse has four key characteristics: it is subject-oriented (organized by major subject areas), integrated (consistent data standards), time-variant/temporal (captures historical changes over time), and non-volatile (data is read-only, not updated or deleted). Option D correctly lists all four properties.

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