Question: 2 . Suppose that a data warehouse contains 2 0 dimensions, each with about five levels of granularity. a . ) Users are mainly interested

2 .

Suppose that a data warehouse contains

20

dimensions, each with about five levels of granularity.

.)

Users are mainly interested in four particular dimensions, each having three frequently accessed levels for rolling up and drilling down. How would you design a data cube structure to efficiently support this preference?

.)

At times, a user want to drill through the cube, down to the raw data for one or two particular dimensions. How would you supcport this feature?

2 . Suppose that a data warehouse contains 2 0

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