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Expert Data Modeling with Power BI, Second Edition

You're reading from   Expert Data Modeling with Power BI, Second Edition Enrich and optimize your data models to get the best out of Power BI for reporting and business needs

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Product type Paperback
Published in Apr 2023
Publisher Packt
ISBN-13 9781803246246
Length 698 pages
Edition 2nd Edition
Languages
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Author (1):
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Soheil Bakhshi Soheil Bakhshi
Author Profile Icon Soheil Bakhshi
Soheil Bakhshi
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Toc

Table of Contents (22) Chapters Close

Preface 1. Section I: Data Modeling in Power BI
2. Introduction to Data Modeling in Power BI FREE CHAPTER 3. Data Analysis eXpressions and Data Modeling 4. Section II: Data Preparation in Query Editor
5. Data Preparation in Power Query Editor 6. Getting Data from Various Sources 7. Common Data Preparation Steps 8. Star Schema Preparation in Power Query Editor 9. Data Preparation Common Best Practices 10. Section III: Data Modeling
11. Data Modeling Components 12. Star Schema and Data Modeling Common Best Practices 13. Section IV: Advanced Data Modeling
14. Advanced Data Modeling Techniques 15. Row-Level and Object-Level Security 16. Dealing with More Advanced Data Warehousing Concepts in Power BI 17. Introduction to Dataflows 18. DirectQuery Connections to Power BI Datasets and Analysis Services in Composite Models 19. New Options, Features, and DAX Functions 20. Other Books You May Enjoy
21. Index

Common Data Preparation Steps

In the previous chapter, we discussed some data sources that are frequently used in Power BI. We also covered data source certifications and the differences between various connection modes, storage modes, and dataset modes. This chapter looks at common data preparation steps such as table, text, Date, DateTime, and DateTimeZone manipulations.

We look at each of these by providing real-world scenarios that can help deal with real daily data preparation challenges. In Power Query Editor, the data preparation activities are categorized into three separate tabs, as shown in the following screenshot:

  1. Home: Contains more generic actions, such as creating a new query, creating or managing query parameters, and performing common data preparation steps such as split column, Group By, and more.
  2. Transform: Contains more transformation functionalities that can be performed through the UI.
  3. Add Column: Contains data preparation steps related...
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