Explain the concept of data modeling in data warehousing, focusing on star schema and snowflake schema designs. What are the advantages and disadvantages of each modeling approach, and in what scenarios are they best suited?

Explain the concept of data modeling in data warehousing, focusing on star schema and snowflake schema designs. What are the advantages and disadvantages of each modeling approach, and in what scenarios are they best suited?

Fundamentals of Information Systems

8th Edition

ISBN:9781305082168

Author:Ralph Stair, George Reynolds

Publisher:Ralph Stair, George Reynolds

Chapter8: Systems Development

Section: Chapter Questions

Problem 8SAT: Data modelling is most often accomplished through the use of a(an) ________________. a....

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The enhanced ER model is an abbreviation for Enhanced Entity-Relationship (EER) model. As you know, the entity-relationship (ER) model is a pictorial illustration of the relationship between various entities of a domain. In the case of a large amount of data with multiple interrelated entities, the ER diagrams become complex and tough to interpret. For such cases, the need for enhancement in the ER model was observed, and thus, the EER model was designed.

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