Topic: Tabular
-
This article describes how to implement non-visual-totals with security roles in Power BI and Analysis Services Tabular, which by default show only visual totals of measures in the model. Read more
-
This article describes a few query limits existing in DirectQuery for both Power BI and Analysis Services Tabular 2016, explaining when you can modify them. Read more
-
A data model for DAX has three numeric data types: integer, floating point, and fixed decimal number. This article describes them and explains why the fixed decimal number should be used instead of the floating point in most scenarios. Read more
-
DAX is a functional language that does not allow you to create functions. However, if you need to pass a parameter to an algorithm, you can use a measure passing a value through a filter argument in CALCULATE, as described… Read more
-
Choosing the right hardware is critical for a solution based on Analysis Services Tabular. Spending more does not always mean having a better machine. This short article describes how to choose the right server and, as you will see, the… Read more
-
In DAX there are different ways to test whether a table is empty. This test can be used in complex DAX expressions and this short article briefly discuss what are the suggested approaches from a performance perspective. Read more
-
A common best practice is to use CALCULATETABLE instead of FILTER for performance reasons. This article explores the reasons why and explains when FILTER might be better than CALCULATETABLE. Read more
-
With DAX you can calculate the sales of the first, second and third year of a new customer without any ETL. In this article you see how to implement this calculation with good performance. Read more
-
Grouping transactions by customers’ age requires a computation made row by row at transaction level. DAX offers an elegant solution using calculated columns, which is described in this article. Read more
-
PowerPivot and Analysis Services 2012 Tabular do not support many-to-many (M2M) relationships directly in the data model. However, you can obtain the desired result from a many-to-many relationship by writing a DAX expression. For example, consider the classic M2M relationship… Read more