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- Q3432172 subject Q7467177.
- Q3432172 subject Q8363893.
- Q3432172 abstract "Dimensional modeling (DM) names a set of techniques and concepts used in data warehouse design. It is considered to be different from entity-relationship modeling (ER). Dimensional Modeling does not necessarily involve a relational database. The same modeling approach, at the logical level, can be used for any physical form, such as multidimensional database or even flat files. According to data warehousing consultant Ralph Kimball, DM is a design technique for databases intended to support end-user queries in a data warehouse. It is oriented around understandability and performance. According to him, although transaction-oriented ER is very useful for the transaction capture, it should be avoided for end-user delivery.Dimensional modeling always uses the concepts of facts (measures), and dimensions (context). Facts are typically (but not always) numeric values that can be aggregated, and dimensions are groups of hierarchies and descriptors that define the facts. For example, sales amount is a fact; timestamp, product, register#, store#, etc. are elements of dimensions. Dimensional models are built by business process area, e.g. store sales, inventory, claims, etc. Because the different business process areas share some but not all dimensions, efficiency in design, operation, and consistency, is achieved using conformed dimensions, i.e. using one copy of the shared dimension across subject areas. The term "conformed dimensions" was originated by Ralph Kimball.".
- Q3432172 wikiPageExternalLink a-dimensional-modeling-manifesto.
- Q3432172 wikiPageExternalLink design-tip-69-identifying-business-processes.
- Q3432172 wikiPageWikiLink Q1017605.
- Q3432172 wikiPageWikiLink Q1331138.
- Q3432172 wikiPageWikiLink Q169411.
- Q3432172 wikiPageWikiLink Q193351.
- Q3432172 wikiPageWikiLink Q3109900.
- Q3432172 wikiPageWikiLink Q311585.
- Q3432172 wikiPageWikiLink Q4449270.
- Q3432172 wikiPageWikiLink Q624546.
- Q3432172 wikiPageWikiLink Q7467177.
- Q3432172 wikiPageWikiLink Q8363893.
- Q3432172 wikiPageWikiLink Q844565.
- Q3432172 wikiPageWikiLink Q878825.
- Q3432172 comment "Dimensional modeling (DM) names a set of techniques and concepts used in data warehouse design. It is considered to be different from entity-relationship modeling (ER). Dimensional Modeling does not necessarily involve a relational database. The same modeling approach, at the logical level, can be used for any physical form, such as multidimensional database or even flat files.".
- Q3432172 label "Dimensional modeling".