A data warehouse database differs from an operational database because:
A)data warehouse data are not stored in tables.
B)data warehouse databases do not have metadata.
C)data warehouse data are often denormalized.
D)B and C
E)A,B,and C

Question

Quizplus · Accepted Answer

Data warehouse data are often denormalized to optimize for read-heavy operations and analytical queries, unlike operational databases which are typically normalized to reduce redundancy and ensure data integrity.

A Data Warehouse Database Differs from an Operational Database Because