Dimensional Data Modeling - Attribute

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Logical Data Modeling - Attribute in dimensional modeling.

Attribute values in a dimension are called members.




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Dimensional Data Modeling - Level

A level in a dimensional hierarchy is a set of attributes that has: an mandatory identifier attribute (known also as the business identifier) and descriptive attributes (optional) A level is...
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Dimensional Data Modeling - Measure

In a dimensional model, a measure is a quantitative attribute of a fact (in a fact table) that is not a foreign key that creates a relationship to a dimension. A measure permits to quantify. A calculated...
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Dimensional Data Modeling - What means Data is dense/sparse ?

Sparse and dense are a storage property of the values of an attribute. Data is normally stored in sparse form. If no event has happened, there is no data stored. In dimensional modeling, if...



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