Table of Contents
Preface
Part 1 – Preparing the Data
Chapter 1: Overview of Power BI and the PL-300 Exam
A brief overview of Power BI
Power BI for business intelligence
Power BI as a solution
Why get certified?
PL-300 Analyzing Data with Microsoft Power BI
Microsoft tests
Timelines
Strategies to get a passing grade
Summary
Questions
Chapter 2: Connecting to Data Sources
Technical requirements
Identifying data sources
Local data sources, files, and databases
Cloud and SaaS data sources
Connecting to data sources
On-premises data gateway
Exploring query types
Power BI datasets
Power BI dataflows
Query performance tuning
Reducing the data size
DirectQuery optimization
Composite model optimization
Advanced options (what-if parameters, Power ...
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