Star Schema

Star Schema

Shivangi Seth Shivangi Seth

Shivangi Seth

Shivangi Seth

发布日期: 2024年6月10日
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What is a star schema?

A star schema is a multi-dimensional data model used to organize data in a database so that it is easy to understand and analyze. Star schemas can be applied to data warehouses, databases, data marts, and other tools. The star schema design is optimized for querying large data sets.

Introduced by Ralph Kimball in the 1990s, star schemas are efficient at storing data, maintaining history, and updating data by reducing the duplication of repetitive business definitions, making it fast to aggregate and filter data in the data warehouse.

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