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star schema |
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star schemaA data warehouse design that enhances the performance of multidimensional queries on traditional relational databases. One fact table is surrounded by a series of related tables. Data are joined from one of the points to the center, providing a so-called "star query." See OLAP. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Based on these three prerequisite tasks, a star schema design can concentrate on the functional information needs without losing sight of the contextual data view. Clients may customize the conceptual model and Extraprise will produce an optimized logical data model for them as both a star schema and relational view. For this reason, and others, the data in a data warehouse is usually represented in a star schema with the factual information at the center of the star, surrounded by the various types of reference data. |
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