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Introduction The SUMX function is one of the most powerful aggregation tools in DAX, but also one of the most misunderstood by beginners. Unlike SUM, which works directly on a column, SUMX evaluates an expression for each row in a…
Introduction In Power BI, DAX (Data Analysis Expressions) is the backbone for creating powerful calculations. Among the first and most essential functions you’ll learn is SUM. While it’s simple, understanding how and when to use it correctly is critical for…
Introduction When working in Power BI, understanding DAX filter functions can be a game-changer for building accurate and interactive reports. The functions ALL, ALLEXCEPT, and ALLSELECTED are three frequently used yet misinterpreted functions.Although they sound similar, they behave differently when…
Introduction Remote work has become more than just a pandemic necessity—it’s now a preferred career choice for many professionals in India. With global companies recognizing India’s talent pool, opportunities to work from home have multiplied. Whether you’re a tech expert,…
Introduction to Data Visualization In the data-driven world of today, statistics by themselves don’t provide the whole picture. You need visuals that can make sense of the chaos and deliver insights instantly. That’s where data visualization steps in—it transforms complex…
Introduction In 2025, data analytics is all about timing — literally. Every click, purchase, signup, or event is tied to a timestamp. For analysts working with MySQL, date and time functions are essential tools to transform raw timestamps into business…
Introduction In the SQL world, especially in MySQL, window functions are powerful tools for analytics. Among these, RANK(), DENSE_RANK(), and ROW_NUMBER() are three commonly used functions to assign rankings to rows. But they don’t behave the same way — and…
Lookup and reference functions serve as navigational beacons in vast seas of data, allowing you to pinpoint and extract precise information from sprawling tables or ranges under particular stipulations. For data analysts immersed in monumental datasets, these formulas are not…
In the world of business analytics, measuring growth over different time periods is crucial for understanding performance trends. As a data analyst or business intelligence professional, you’ll often need to compare results across months, years, weeks, and quarters. In Power…
