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Suppose that a data warehouse contains 20 dimensions, each with about five levels of granularity. a) Users are mainly interested in four particular dimensions, each

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 may want to drill through the cube, down to the raw data for one or two

particular dimensions. How would you support this feature?

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