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Azure Data Engineer Associate Certification Guide

Azure Data Engineer Associate Certification Guide

By : Alex
4 (19)
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Azure Data Engineer Associate Certification Guide

Azure Data Engineer Associate Certification Guide

4 (19)
By: Alex

Overview of this book

Azure is one of the leading cloud providers in the world, providing numerous services for data hosting and data processing. Most of the companies today are either cloud-native or are migrating to the cloud much faster than ever. This has led to an explosion of data engineering jobs, with aspiring and experienced data engineers trying to outshine each other. Gaining the DP-203: Azure Data Engineer Associate certification is a sure-fire way of showing future employers that you have what it takes to become an Azure Data Engineer. This book will help you prepare for the DP-203 examination in a structured way, covering all the topics specified in the syllabus with detailed explanations and exam tips. The book starts by covering the fundamentals of Azure, and then takes the example of a hypothetical company and walks you through the various stages of building data engineering solutions. Throughout the chapters, you'll learn about the various Azure components involved in building the data systems and will explore them using a wide range of real-world use cases. Finally, you’ll work on sample questions and answers to familiarize yourself with the pattern of the exam. By the end of this Azure book, you'll have gained the confidence you need to pass the DP-203 exam with ease and land your dream job in data engineering.
Table of Contents (23 chapters)
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1
Part 1: Azure Basics
3
Part 2: Data Storage
10
Part 3: Design and Develop Data Processing (25-30%)
15
Part 4: Design and Implement Data Security (10-15%)
17
Part 5: Monitor and Optimize Data Storage and Data Processing (10-15%)
20
Part 6: Practice Exercises

Encoding and decoding data

In this section, we will see how to take care of encoding and decoding values such as American Standard Code for Information Interchange (ASCII), Unicode Transformation Format 8 (UTF-8), UTF-16, and so on while reading or writing data from different sources. We will see examples using Spark, SQL, and ADF here again.

Encoding and decoding using SQL

In Synapse SQL, collation defines the encoding type, sorting type, and so on in SQL strings. Collation can be set at both the database and table level. At the database level, you can set the collation, as shown here:

CREATE DATABASE TripsDB COLLATE Latin1_General_100_BIN2_UTF8;

At the table level, you can set it as shown here:

CREATE EXTERNAL TABLE FactTrips (
    [tripId] VARCHAR (40) COLLATE Latin1_General_100_BIN2_UTF8,
    . . . 
)

Once you define the right collation, Synapse SQL takes care of storing the data in the right format and using the right...

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