PBICDMD: Data Model Design using Power BI Desktop – Level 2

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About this Course

This is the second course in TLG Learning’s custom Power BI Desktop training series. What makes Power BI for such a vast improvement over simple Excel worksheets is the Power Query engine in both Power BI and Excel.  Power Query allows data to be pulled and transformed from multiple data sources. This course is designed for Report Builders who are ready to create custom data models for themselves and for other Power BI Report Users.

Audience Profile

At Course Completion

Outline

Lesson 1: Understanding  BI Data

  • Understanding the Process
  • Understanding BI Data Sources
  • Table Roles

Lesson 2: Creating Data Models

  • Analyzing the Data Source
  • Creating New Tables
  • Creating Relationships

Lesson 3: Customizing Data Models

  • Additional Transformations
  • Editing Applied Steps
  • Merging, Appending, Unpivoting Data
  • Transformations in Table View
  • Using the Options Dialog Box

Lesson 4: Accessing Additional Data Sources

  • Using Relational Databases
  • Creating a Composite Data Model
  • Creating a Data Model from Cloud Sources
  • Storage Modes (ImportQuery vs. DirectQuery)
  • Query Folding
  • Performance Analyzer

Lesson 5: Power BI Functions – Intro to DAX

  • Calculated Columns
  • DAX Measures
  • Working with Date Tables

Lesson 6: M Language

  • Getting Started with M Language
  • Basic M Language Queries
  • Adding, Duplicating & Splitting Columns
  • The “Last Refresh” Indicator

Prerequisites

Data Analysis using Power BI Desktop - Level 1 - Report Builder