Microsoft Power BI

The CALCULATE function in DAX is one of the most powerful and fundamental tools for modifying the filter context in Power BI, Excel, and other DAX-based platforms. It allows users…

The MINX function in DAX is an aggregation function that calculates the minimum value of an expression evaluated over a table. Unlike the basic MIN function, which directly calculates the…

Both M Language and DAX (Data Analysis Expressions) are essential for working with Power BI, but they serve different purposes. M is primarily used for data transformation in Power Query,…

The LASTDATE function in DAX is a time-intelligence function used to return the last date in the current context for a specified column containing date values. This function is particularly…

The FIRSTNONBLANK function in DAX is used to return the first non-blank value in a column or expression based on the current filter context. It is particularly useful for identifying…

The CONCATENATEX function in DAX is a powerful text aggregation function used to concatenate (combine) text values from a table or expression into a single string. It allows you to…

The ADDCOLUMNS function in DAX adds calculated columns to a table by evaluating expressions for each row. It returns a new table that includes the original columns and the additional…

The PATHLENGTH function in DAX is a utility function designed for parent-child hierarchies. It is used to calculate the number of levels in a hierarchical path, which is often represented…

Optimizing Power BI performance ensures faster report loading, efficient data processing, and a seamless user experience. Slow reports can frustrate users and hinder decision-making. By fine-tuning data models, queries, DAX…

The ALLSELECTED function in DAX returns all rows in a table or column while retaining filters applied by slicers or visuals in the current report. Unlike ALL, it respects outer…