DBM301Xuất hiện trong 1 đề thi
What are two basic data structures used for storing cuboids?
Các lựa chọn
ARelational OLAP (ROLAP), multidimensional OLAP (MOLAP).
BRelational OLAP (ROLAP), multiple OLAP (MOLAP).
CRandom OLAP (ROLAP), multidimensional OLAP (MOLAP).
DRandom OLAP (ROLAP), many-to-many OLAP (MOLAP).