At Slidescope Data Analytics Institute, one of the most common questions our students and professionals ask is: 👉 “Is there a free version of Power BI Service that I can use for my projects or learning?” This is an excellent question because many people are familiar with Power BI Desktop (the free desktop tool from …
Is There a Free Power BI Service License? – Complete Guide for Beginners Read More »
One of the common challenges Power BI users face is version control. Unlike coding environments (Git, SVN), Power BI Desktop (.pbix) files don’t come with built-in version rollback. If you overwrite a .pbix file, Power BI doesn’t automatically allow you to “backdate” it to an earlier version. But don’t worry—there are a few practical workarounds: …
Can You Backdate a Power BI File to an Earlier Version? Read More »
A Complete Guide by Slidescope Training Institute In today’s business environment, data is the new oil—but just collecting data isn’t enough. Companies need the ability to turn raw information into clear, actionable insights. This is where Power BI, Microsoft’s powerful Business Intelligence tool, comes into play. At Slidescope Training Institute, with over 15 years of …
When working with Power BI reports in Import mode, especially those that rely on large datasets from Dataflows, it’s common for report size and refresh time to grow significantly during development. This can lead to performance issues or even make it impossible to refresh the report locally. Fortunately, there are ways to optimize your local …
In today’s data-driven world, a Business Intelligence (BI) dashboard is one of the most valuable tools an organization can have. It enables decision-makers to monitor key metrics, spot trends, and make informed decisions. However, one of the most frequently asked questions when initiating a BI project is: “How much time will it take to build …
How Long Does It Take to Build a Production-Level BI Dashboard? Read More »
Are you Struggling with slow reports on huge datasets?Power BI Aggregations can supercharge your performance đź“Š Step 1: Create an Aggregated TableSummarize your big fact table by key dimensions — like Date, Product, or Region. 🧠Step 2: Enable Manage AggregationsRight-click your aggregated table âžť “Manage Aggregations”Map each column to the large fact table — …
What is a Disconnected Parameter Table? A disconnected parameter table (often created using a “What-If parameter” in Power BI Desktop) is a special kind of table that is not directly related to your main data model tables (like your Sales table). Its primary purpose is to provide a slicer or filter that a user can …
What is a Disconnected Parameter Table? and How to Create in Power BI? Read More »
In Power BI, there’s no formal “fact table” label—but you can identify and treat a table as a fact table based on its role and structure. Here’s how to identify and set up the Sales table as the fact table in Model View: âś… Step 1: Open Model View âś… Step 2: Understand What Makes …
How to Identify the Sales Table as a Fact Table in Power BI (Model View) Read More »
A decomposition tree in Power BI is a great visual for drill-down analysis—it helps users explore data across multiple dimensions, identifying the root causes or contributions behind a metric. Here’s a strong example dataset idea for showcasing a decomposition tree: 🔧 Dataset Example: Retail Sales Performance Scenario: You work for a retail company and want …
What is M Query? M Query (or Power Query Formula Language) is a functional programming language used in Power BI, Excel, and other Microsoft products to transform and prepare data before it’s loaded into the data model. 🔹 What is M Query? 🔹 M Query Syntax Basics 1. Let-In Expression Every M query follows a …
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