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star schema
(redirected from star query)

    Also found in: Wikipedia 0.01 sec.
star schema
A 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.
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Eight stand-alone chapters address topics such as: conceptual modeling solutions, structural heterogeneity in OLAP, data quality-based requirements elicitation for decision support systems, advanced ad hoc star query processing, data warehouses and indexing, OLAP with a database cluster, and spatial OLAP concepts, among others.
Data warehouses and OLAP; concepts, architectures, and solutions by SciTech Book News
 
 
 
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