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Difference Between Inmon And Kimball

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Report #2 Inmon vs.Kimball
Name: Arpit J Vora (ajv9905)

Introduction:

We can say that “Data is the fuel of next generation”. Today we live in the world that is driven by data. The World Economic Forum summarizes the fourth industrial revolution as a possibility for billions to be connected, machines with enormous processing power and high-volume data storage. These possibilities are evolving exponentially in field of Internet of Things, Artificial Intelligence, Machine Learning, bio technology, autonomous vehicles, etc. To handle such a large volume of data in a uniform manner, it is required to be processed and stored for analysing and getting business insights. This exponential growth and the increasing demands in all fields has led the data warehousing technology to emerge tremendously. In this report, we will discuss about the two broad approaches for designing and implementing data warehouse presented by two data warehouse giants Ralph Kimball and Bill Inmon. Also, we will compare the architectural design approach, implementation approach along with their advantage and dis advantage from a business point of view.

Key Differences:
1. Methodology: Ralph Kimball’s bottom-up design methodology is to create dimensional data mart …show more content…

According to writer, they follow this approach because the users can see the results very quickly. Also, since there is no master plan, you can redo a part of business design and risk data duplication. The reason for not following the Inmon’s approach is the significant up-front cost and also, with time the business requirements and priorities changes. Hence, having a master plan won’t work for their business. Therefore, to be cost effective and quick they chose Kimball’s methodology. At the end, he concludes by saying that there is no as such best practice for data warehousing, it completely depends on business

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