I am still puzzled about the correct way to design a cube vs. several cubes so that reports and queries that compare several different measurements can be made as easily as possible. The problem is that when there are different measurements, these measurements may only share some dimensions or...
I would like to design a classic OLAP facts table using a star scheme. The SQL model of the facts table should be independent of any concrete RDBMS technology and portable between different systems.
The problem is this: users should be able to select subsets of the facts based on conjunctive...
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