What is Dimensional Modeling

Dimensional modeling is a data modeling technique in data warehouse design. Dimensional models use facts and dimensions to describe data for the business. Facts are typically numeric values that are additive (can be aggregated). Dimensions are descriptive elements used for grouping, labeling, and filtering facts. In the schema below: units_sold is a fact date, store, and product are dimensions all the other data elements are attributes of a dimension Dimensional models are typically represented using a star schema....

June 22, 2012