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Dimensional Modeling, Role Playing Dimensions!!! |
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Written by Guru Charan
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Sunday, 21 August 2011 21:16 |
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Technical definition of Role Playing Dimensions, my own and not from any purists, "If a dimension is joined to a particular fact table in more than one ways, by nature of design it is a Role Playing dimension". Or defining in an OOPs way, if a relationship of dimension with fact table or a measure group is polymorphic in nature then we can call that dimension a "Role Playing Dimension".
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