Chapter 3Using basic table functions

In this chapter, you learn the basic table functions available in DAX. Table functions are regular DAX functions that—instead of returning a single value—return a table. Table functions are useful when writing both DAX queries and many advanced calculations that require iterating over tables. The chapter includes several examples of such calculations.

The goal of this chapter is to introduce the notion of table functions, but not to provide a detailed explanation of all the table functions in DAX. A larger number of table functions is included in Chapter 12, “Working with tables,” and in Chapter 13, “Authoring queries.” Here, we explain the role of most common and important table functions in DAX, and how ...

Get Definitive Guide to DAX, The: Business intelligence for Microsoft Power BI, SQL Server Analysis Services, and Excel, 2nd Edition now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.