Book Image

Microsoft Certified Azure Data Fundamentals (Exam DP-900) Certification Guide

By : Marcelo Leite
5 (1)
Book Image

Microsoft Certified Azure Data Fundamentals (Exam DP-900) Certification Guide

5 (1)
By: Marcelo Leite

Overview of this book

Passing the DP-900 Microsoft Azure Data Fundamentals exam opens the door to a myriad of opportunities for working with data services in the cloud. But it is not an easy exam and you'll need a guide to set you up for success and prepare you for a career in Microsoft Azure. Absolutely everything you need to pass the DP-900 exam is covered in this concise handbook. After an introductory chapter covering the core terms and concepts, you'll go through the various roles related to working with data in the cloud and learn the similarities and differences between relational and non-relational databases. This foundational knowledge is crucial, as you'll learn how to provision and deploy Azure's relational and non-relational services in detail later in the book. You'll also gain an understanding of how to glean insights with data analytics at both small and large scales, and how to visualize your insights with Power BI. Once you reach the end of the book, you'll be able to test your knowledge with practice tests with detailed explanations of the correct answers. By the end of this book, you will be armed with the knowledge and confidence to not only pass the DP-900 exam but also have a solid foundation from which to embark on a career in Azure data services.
Table of Contents (21 chapters)
1
Part 1: Core Data Concepts
7
Part 2: Relational Data in Azure
11
Part 3: Non-Relational Data in Azure
14
Part 4: Analytics Workload on Azure

Exploring NoSQL databases

To store non-structured and semi-structured data in an organized manner and perform CRUD operations, NoSQL database projects were started by the open source community. The main characteristic of NoSQL databases are flexibility the database schema, accepting different types of data insertion because the data will be organized at the time of the query. That is, these databases have the schema defined in the data query and not when the data is inserted into the database.

What is a NoSQL database?

NoSQL means Not Only SQL, thus it is a database that can accept standard SQL language statements but can also have other interfaces to perform operations on the database.

NoSQL databases are flexible and have multiple forms of operation, not just using the SQL language, based on the open source projects to specialize the database for some use cases.

You should know the different formats of NoSQL databases for the DP-900 certification, and this knowledge helps...