DashCoreHubPower BI
DAX, data modeling, Power Query M, design and Copilot.
What Is Power BI? A Plain-English Introduction
What is Power BI? A plain-English guide to Microsoft's BI tool: its parts, what it's used for, how it compares to Excel, and how to start for free today.
Read article →Power BIYour First Power BI Report in 60 Minutes
Build your first Power BI report in 60 minutes: load and clean data, add a date table, write DAX measures, design a page with KPIs, charts and slicers.
Read article →Power BIDAX Basics: Measures, Calculated Columns and Context
Learn DAX basics for Power BI: how measures and calculated columns differ, when to use each, and how row context and filter context change your results.
Read article →Power BIThe CALCULATE Function in DAX, Explained Simply
The DAX CALCULATE function explained simply: filter by value, AND/OR conditions, KEEPFILTERS, percent of total with REMOVEFILTERS and context transition.
Read article →Power BIDAX Time Intelligence: YTD, MTD and Year-over-Year
Learn DAX time intelligence in Power BI: build a date table, then write YTD, MTD, year-over-year and rolling 12-month measures with working examples.
Read article →Power BIStar Schema in Power BI: How to Model Your Data
Learn how a star schema works in Power BI: fact vs. dimension tables, why it boosts performance, and how to turn a flat table into a clean model.
Read article →Power BIPower BI Relationships: Cardinality and Filter Direction
Understand Power BI relationships: one-to-many vs. many-to-many cardinality, single vs. both filter direction, inactive relationships and fixes.
Read article →Power BIPower Query M Language: A Practical Introduction
A practical intro to the Power Query M language: let/in structure, each, key functions, conditional columns, error handling and custom functions.
Read article →Power BIChoosing the Right Power BI Visual for Every Question
Choose the right Power BI visual for every business question: line, bar, card, KPI, matrix, scatter, waterfall and AI visuals, plus mistakes to avoid.
Read article →Power BIPower BI Dashboard Design: Layout, Color and UX
Design Power BI dashboards people understand: grid layouts, a meaningful color palette, theme JSON, KPI cards, interactions and a pre-publish checklist.
Read article →Power BIPower BI Service: Publishing, Workspaces and Sharing
Learn how to publish from Power BI Desktop, set up workspaces and roles, schedule refresh, and share reports with apps, links, Teams and the right license.
Read article →Power BIPower BI Licensing Explained: Free, Pro, Premium and Fabric
Power BI Free, Pro, Premium Per User and Fabric capacity explained in plain English: who needs which license, the F64 rule, Copilot and how to choose.
Read article →Power BIRow-Level Security (RLS) in Power BI
Set up row-level security in Power BI: static roles, dynamic RLS with USERPRINCIPALNAME(), testing with View as, assigning users and common mistakes.
Read article →Power BIPower BI Performance: 15 Ways to Make Reports Faster
Speed up slow Power BI reports with 15 fixes: Performance Analyzer, smaller models, efficient DAX, fewer visuals, query folding and incremental refresh.
Read article →Power BICopilot in Power BI: AI-Generated Reports and Narratives
Learn what Copilot in Power BI can do, what license and capacity you need, and how to build report pages, narratives and DAX with AI.
Read article →Power BIMicrosoft Fabric for Beginners: Where Power BI Is Going
Microsoft Fabric explained for beginners: OneLake, Direct Lake, lakehouses and what the platform means for Power BI users and analysts.
Read article →Power BIPL-300 Power BI Data Analyst Exam: Study Guide
PL-300 study guide: the four skill areas and weights, what to study in each, an 8-week plan and exam-day tips for the Power BI Data Analyst exam.
Read article →Power BIBuilding a Retail Sales Dashboard in Power BI
Build a retail sales dashboard in Power BI step by step: star-schema model, DAX for sales, margin and YoY growth, plus layout and design tips.
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