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Azure Data Engineer Associate Certification Guide

You're reading from   Azure Data Engineer Associate Certification Guide A hands-on reference guide to developing your data engineering skills and preparing for the DP-203 exam

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Product type Paperback
Published in Feb 2022
Publisher Packt
ISBN-13 9781801816069
Length 574 pages
Edition 1st Edition
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Author (1):
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Newton Alex Newton Alex
Author Profile Icon Newton Alex
Newton Alex
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Table of Contents (23) Chapters Close

Preface 1. Part 1: Azure Basics
2. Chapter 1: Introducing Azure Basics FREE CHAPTER 3. Part 2: Data Storage
4. Chapter 2: Designing a Data Storage Structure 5. Chapter 3: Designing a Partition Strategy 6. Chapter 4: Designing the Serving Layer 7. Chapter 5: Implementing Physical Data Storage Structures 8. Chapter 6: Implementing Logical Data Structures 9. Chapter 7: Implementing the Serving Layer 10. Part 3: Design and Develop Data Processing (25-30%)
11. Chapter 8: Ingesting and Transforming Data 12. Chapter 9: Designing and Developing a Batch Processing Solution 13. Chapter 10: Designing and Developing a Stream Processing Solution 14. Chapter 11: Managing Batches and Pipelines 15. Part 4: Design and Implement Data Security (10-15%)
16. Chapter 12: Designing Security for Data Policies and Standards 17. Part 5: Monitor and Optimize Data Storage and Data Processing (10-15%)
18. Chapter 13: Monitoring Data Storage and Data Processing 19. Chapter 14: Optimizing and Troubleshooting Data Storage and Data Processing 20. Part 6: Practice Exercises
21. Chapter 15: Sample Questions with Solutions 22. Other Books You May Enjoy

Performing Exploratory Data Analysis (EDA)

Data exploration is much easier from inside Synapse Studio as it provides easy one-click options to look into various formats of data. Let's look at some of the options available for data exploration using Spark, SQL, and ADF/Synapse pipelines.

Data exploration using Spark

From within Synapse Studio, you can just right-click on the data file and select Load to DataFrame, as shown in the following screenshot:

Figure 8.41 – Launching a DataFrame from the Synapse data file

Once you click on Load to DataFrame, Synapse creates a new notebook, as shown in the following screenshot. After that, all you have to do is just click on the Run icon (the little triangle symbol) to see the contents of the file, which are displayed in the following screenshot:

Figure 8.42 – Exploration using Spark Load to DataFrame

This is one easy way to explore the contents of a file. Let's next...

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