Which of the following is not true of a data mart?
A) The data mart is often viewed as a way to gain entry into the realm of data warehouses and to make the mistakes on a smaller scale.
B) Vendors of data warehouse applications have found it easier to deal with a small group of isolated users than with the IS department of an entire organization.
C) The data mart is more efficient than a fully-developed data warehouse.
D) None of the above.

Question

Quizplus · Accepted Answer

The data mart is not inherently more efficient than a fully-developed data warehouse. Efficiency depends on the specific use case, scale, and implementation. Data marts are smaller, subject-specific warehouses, but this does not automatically make them more efficient than larger, comprehensive data warehouses.

Which of the Following Is Not True of a Data