Retrieval is very fast through data cubes because ________.
A)data cubes use a separate server which is tuned for fast retrieval and reporting
B)data cubes group data in logical dimensions, such as sales by product, city, region, and country
C)data cubes represent information in the form of objects, using object-oriented programming languages to access them
D)data cubes organize data by attaching XML tags to them

Question

Quizplus · Accepted Answer

Data cubes group data in logical dimensions, which allows for efficient retrieval and analysis of the data. The other options (A, C, D) do not accurately describe the primary reason why retrieval is fast through data cubes.

Retrieval Is Very Fast Through Data Cubes Because ________