July 2021
Beginner to intermediate
428 pages
10h 23m
English
Content preview from Data Modeling for Azure Data Services
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Chapter 3: Normalizing Data
Now that we are familiar with the top-down approach from the previous chapter, we will switch to a bottom-up approach: normalizing data. The goal is again to create an Entity Relationship Diagram (ERD). The difference is that we will now worry about all the details. Having learned a lot about the system to be created using a top-down approach and asking any questions as required, we will now make a conceptual model.
In this chapter, you will learn about the following topics:
- When to use a normalization strategy
- Why avoiding redundancy is important
- The formal steps of normalization
- An alternative approach to normalizing data
- Integrating separate results
When to use normalization as a design strategy
In real life, ...
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