Understanding the Core Data Terminologies

Welcome, dear reader!

This book has been prepared based on the knowledge that you need to pass the Azure DP-900 Data Platform Fundamentals exam. So, you will find detailed use cases, hand's-on exercises, as well as sample questions and answers to help you during the exam.

This book will not only prepare you for certification but also complement the knowledge needed for planning and working in a data organization. You can look forward to learning about transactional and analytical database concepts, SQL and NoSQL, when to use each option, and the most modern tools and techniques for implementation on Azure.

Data generation and data processing have been growing exponentially in recent years. Data is being generated and processed everywhere: in information systems, cell phones, smart watches, smart TVs, city buses, subways, and cars, among others. Knowing how to capture and process this data to generate intelligence provides today’s main competitive advantage in the market.

To start understanding how these technologies and solutions work, it is necessary to know the concepts of data storage and processing, which we will cover in this introductory chapter.

By the end of this chapter, you will be able to understand the following:

• The types of data and how to store it
• Relational and non-relational data
• Data Analytics
• How to differentiate the data workloads