Which one of the following describes ROLAP?

Question 4 options:

A)	The 'classic' form of OLAP

B)	Store only cube structure in multidimensional databases

C)	Store cube structure and some aggregate data in multidimensional databases

Requires the pre-computation and storage of information in the cube

Which of the following statements is correct about MDX?

A)	An MDX query must specify the ROWS axis ("ON ROWS") in the SELECT clause

B)	An MDX query cannot have a ROWS axis (on rows) without a COLUMNS axis (on columns) in the SELECT clause

C)	An MDX query must specify both ROWS axis (on rows) and COLUMNS axis (on columns) in the SELECT clause

D)	An MDX query must specify the COLUMNS axis ("ON COLUMNS") in the SELECT clause