EBK DATABASE CONCEPTS
EBK DATABASE CONCEPTS
7th Edition
ISBN: 9780133777840
Author: AUER
Publisher: VST
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Chapter 8, Problem 8.14RQ

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Star schema:

Star schema is the simplest of data mart schema that are mostly used in creating data warehouses and dimensional databases.

  • It is used by the dimensional database which contains data that are organized in the form of facts and dimensions.
  • By the name it resembles the star where it will contain fact table at its center and dimension table radiating from the center.
  • The contents of the fact table are completely normalized whereas contents of the dimension table can be non-normalized.
  • It is used as a part of OLAP (OnLine Analytical Processing) and it structure resembles to a central truth table connected to a measurement table...

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