DAX functions play an important role in the usage of DAX for data modeling and reporting.
It is an inbuilt function provided in the DAX language that helps you perform commonly
used data calculations on the Data Model.
Some of the DAX functions have the same names and functionality as that of Excel functions, however, they have been modified to use DAX data types and to work with tables and columns. DAX has additional functions that are designed to work with relational data and perform dynamic aggregation.
This tutorial has been designed for all those readers who depend heavily on MS-Excel to prepare charts, tables, and professional reports that involve complex data. It will help all those readers who use MS-Excel regularly to analyze data. Professionals who use data modeling and data analysis for reporting and decision-making purposes will benefit from this.
This tutorial is an extension to Excel Power Pivot tutorial, hence it is a good idea to brush
up on the Excel Power Pivot tutorial before you delve into DAX. Knowledge of Excel
Functions and Excel Formulas is not necessary for this tutorial, as DAX is entirely for the
Data Model in the Power Pivot window.