We need to understand the business processes and ask the right questions. Some managers will ask for whatever information they can get without thinking carefully about what they really need. Too much information can be as harmful as too little. Other managers may omit things they ought to know, or they may not know to ask for some types of information they should have.
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We usually implement the multi-dimensional data model in RDBMS or CUBE. Today, we focus on the Constraints and indexes in multi-dimensional ...
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Measures are the values in your fact tables which provide numeric meaning to the business process event. There are three kinds of numeric me...
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We always recommend to flatten the (fixed-depth) hierarchy information into the dimension. It is how we keep the star schema simple and nice...
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