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Product typeBook
Published inNov 2023
PublisherPackt
ISBN-139781803240282
Edition1st Edition
Concepts
Data Analysis
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Bernard Obeng Boateng
Bernard Obeng Boateng
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Bernard Obeng Boateng

Bernard Obeng Boateng is a Microsoft Excel MVP, Microsoft Certified Trainer, with over 10 years work experience in Banking, Insurance and Business Development. He is founder of Finex Skills Hub an approved Training Provider of the Financial Modeling Institute, Canada. Finex Skills Hub runs the Finex Project in Ghana, a pro bono student training outreach program for students in Data Analytics and Financial Modeling. Bernard also provides consultancy services for SMEs (start-ups and existing) in Financial Management, Business Planning and Research. He has an active audience online with about 17,000 followers on his LinkedIn Account. where he shares tips and tricks on Microsoft Excel and other Office Apps.
Read more about Bernard Obeng Boateng

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Understanding the different types of schemas (snowflake and star)

When you create a data model, the arrangement of the dimension and fact tables can help you understand how the data flows from the dimension tables to filter the fact tables containing our key measures.

At the heart of our analysis are the key measures we will calculate from our fact tables. These fact tables are normally placed at the lower section of the data model, and our dimension tables are placed on top.

In certain layouts, you can also place the fact tables in the middle surrounded by dimension tables. This type of layout where several dimension tables are connected to one or multiple fact tables placed below or at the center of the dimension tables is called a star schema.

Figure 4.17 – Star schema in a data model

Figure 4.17 – Star schema in a data model

This is a common layout or schema for most data models. It ensures that your calculations are well optimized because it has only dimension tables of one level...

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Data Modeling with Microsoft Excel
Published in: Nov 2023Publisher: PacktISBN-13: 9781803240282
© 2023 Packt Publishing Limited All Rights Reserved

Author (1)

author image
Bernard Obeng Boateng

Bernard Obeng Boateng is a Microsoft Excel MVP, Microsoft Certified Trainer, with over 10 years work experience in Banking, Insurance and Business Development. He is founder of Finex Skills Hub an approved Training Provider of the Financial Modeling Institute, Canada. Finex Skills Hub runs the Finex Project in Ghana, a pro bono student training outreach program for students in Data Analytics and Financial Modeling. Bernard also provides consultancy services for SMEs (start-ups and existing) in Financial Management, Business Planning and Research. He has an active audience online with about 17,000 followers on his LinkedIn Account. where he shares tips and tricks on Microsoft Excel and other Office Apps.
Read more about Bernard Obeng Boateng

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