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Hands-On Business Intelligence with DAX: Know the intricacies of this powerful query language to gain valuable insights from your data
Hands-On Business Intelligence with DAX: Know the intricacies of this powerful query language to gain valuable insights from your data
by 作者: Ian Horne
pages 页数: 402 pages
Publisher Finelybook 出版社: Packt Publishing (January 31,2020)
Language 语言: English
ISBN-10 书号: 1838824308
ISBN-13 书号: 9781838824303
Book Description
Implement business intelligence,data modeling,and data analytics within Microsoft products such as Power BI,SQL Server,and Excel.
DAX provides an extra edge by extracting key information from the data that is already present in your model. With this book,you will leverage DAX’s functionality and flexibility in the business intelligence and data analytics domain.
You’ll start from the basics of DAX,along with the importance of good data models,and how to write efficient DAX formulas by using variables and good formatting. You will understand how DAX queries work using an example-based approach. You will learn to optimize the BI workflow by writing efficient and powerful DAX queries with easy-to-follow explanations and examples. You will learn to manipulate and load different complexity of data within various Microsoft’s products like Power BI,SQL Server,and Excel Power Pivot. You will learn to build and extend your data models to gain additional insights. Later you will delve into progressive DAX syntax and functions to understand complex relationships in DAX. You will cover important DAX functions,specifically those related to tables,date and time,filtering,and statistics. You will then move on to more progressive topics such as how the formula and storage engines work to be able to optimize your queries.
By the end of this book,you will be able to employ DAX to enhance your data model by extracting new information and gaining deeper insights.
What you will learn
Learn DAX from the basics through to a progressive level,and how to build effective data models
Write and use DAX functions and expressions with the help of hands-on examples
Effectively handle errors in your DAX code,and avoid unwanted results
Load data into a data model using Power BI,Excel Power Pivot and SSAS Tabular
Cover DAX functions such as date,time and time intelligence using example code
Gain deeper insights into data by using DAX to create new information
Understand the DAX VertiPaq engine and how it can help you to optimize the data model
Contents
Preface
Section 1: Introduction to DAX for the Bl Pro
Chapter 1: What is DAX?
Chapter 2: Using DAX Variables and Formatting
Chapter 3: Building Data Models
Chapter 4: Working with DAX in Power Bl,Excel,and SSAS
Chapter 5: Getting It into Context
Section 2: Understanding DAX Functions and Syntax
Chapter 6: Progressive DAX Syntax and Functions
Chapter 7: Table Functions
Chapter 8: Date,Time,and Time Intelligence Functions
Chapter 9: Filter Functions
Chapter 10: Statistical Functions
Chapter 11: Working with DAX Patterns
Section 3: Taking DAX to the Next Level
Chapter 12: Optimizing Your Data Model
Chapter 13: Optimizing Your DAX Queries
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Index
