Book Image

Microsoft Power BI Data Analyst Certification Guide

By : Orrin Edenfield, Edward Corcoran
5 (1)
Book Image

Microsoft Power BI Data Analyst Certification Guide

5 (1)
By: Orrin Edenfield, Edward Corcoran

Overview of this book

Microsoft Power BI enables organizations to create a data-driven culture with business intelligence for all. This guide to achieving the Microsoft Power BI Data Analyst Associate certification will help you take control of your organization's data and pass the exam with confidence. From getting started with Power BI to connecting to data sources, including files, databases, cloud services, and SaaS providers, to using Power BI’s built-in tools to build data models and produce visualizations, this book will walk you through everything from setup to preparing for the certification exam. Throughout the chapters, you'll get detailed explanations and learn how to analyze your data, prepare it for consumption by business users, and maintain an enterprise environment in a secure and efficient way. By the end of this book, you'll be able to create and maintain robust reports and dashboards, enabling you to manage a data-driven enterprise, and be ready to take the PL-300 exam with confidence.
Table of Contents (25 chapters)
1
Part 1 – Preparing the Data
6
Part 2 – Modeling the Data
11
Part 3 – Visualizing the Data
15
Part 4 – Analyzing the Data
18
Part 5 – Deploying and Maintaining Deliverables
21
Part 6 – Practice Exams

Using advanced operations of Power Query

Power Query is truly a powerful tool for data transformation that helps to enable capabilities that often meet all the needs for modern reporting, analytics, and visual storytelling. While this is true, there may be cases where advanced operations need to take place to meet the business needs. For these cases, Power BI provides additional capabilities that we'll discuss now.

Using the Advanced Editor

At the heart of Power Query is the data mashup engine. This engine uses the Power Query M language for defining inputs, transformations, and outputs. The M language is a case-sensitive and functional language that is like F# (https://fsharp.org/). The Power Query user interface provides a fast and efficient way of generating Power Query M code that allows developers to be productive. At the same time, the Advanced Editor functionality also allows the generated M code to be viewed and edited if needed. It's also possible to create...