With respect to the definition of data warehouse, which of the following means that the data is read-only?
A) time-variant
B) integrated
C) nonvolatile
D) subject-oriented

Question

Quizplus · Accepted Answer

Nonvolatile means that once data is stored in the warehouse, it cannot be updated, only accessed for querying and reporting purposes. Therefore, the data is read-only. Time-variant refers to the fact that data in the warehouse is organized by time, integrated refers to combining data from multiple sources into a single repository, and subject-oriented means that the data is organized by business subject rather than application or technology orientation.

With Respect to the Definition of Data Warehouse, Which of the Following