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CaseWhen Blog

Practical guides to Power BI and Microsoft Fabric: data modeling, DAX, report design and licensing, written by the consultants at CaseWhen.

Latest articles

Fabric and Data Engineering
How Do I Build My First Pipeline in Microsoft Fabric?
Build a Fabric pipeline that loads a file daily, feeds a Direct Lake report with no refresh step, and shows every failed run. Tested on a trial.
Sep 23, 2026
Fabric and Data Engineering
Does Copilot Work on a Microsoft Fabric Trial?
What actually works on a Microsoft Fabric trial, what it holds back, and what it costs to turn Copilot on. Tested in a live tenant.
Sep 22, 2026
BI Strategy and Reporting
Power BI vs Tableau: Which BI Tool Should You Choose in 2026?
Power BI Pro is $14/user/month; Tableau Creator is $75/user/month, billed yearly. Power BI wins on cost and governance, Tableau on visual exploration.
Jul 14, 2026
DAX and Data Modeling
The Complete Guide to Power BI Performance Optimization
How to make Power BI reports fast, layer by layer: query folding, star schema, relationships, DAX, report design and capacity, with the order to work in.
Feb 26, 2026
DAX and Data Modeling
Power BI Relationships and Cardinality Optimization (Performance Explained)
Relationships and cardinality decide how filters flow between Power BI tables. A wrong one is a common cause of slow reports. How to design them for speed.
Feb 26, 2026
DAX and Data Modeling
Star Schema vs Snowflake Schema in Power BI: Which Performs Better?
Star schema usually performs better than snowflake in Power BI. Why, when a snowflake is acceptable, and how to flatten one with Power Query.
Feb 25, 2026
DAX and Data Modeling
DAX Performance Optimization: How to Fix Slow Measures in Power BI
Find the slow measure with Performance Analyzer, confirm it in DAX Studio, then fix the usual causes: per-row measure calls, FILTER, repeats and the model.
Feb 25, 2026
DAX and Data Modeling
Why Your Power BI Report Is Slow - Complete Troubleshooting Guide for 2026
Why Power BI reports slow down, usually the data model and DAX rather than hardware, and a step by step framework to find and fix the real bottleneck.
Feb 25, 2026

Browse by topic

BI Strategy and Reporting

Power BI vs Tableau: Which BI Tool Should You Choose in 2026?

Sep 23, 2026

Power BI vs Tableau vs Excel vs Looker: Which BI Tool is Best for You?

Sep 23, 2026

Implementation Checklist: 10 Steps to a Successful Power BI Roll-Out

Sep 23, 2026

Top 5 Reasons Power BI Projects Fail and How to Avoid Them

Sep 23, 2026

Excel vs Power BI: Why Growing Companies Should Upgrade to Modern BI Tools

Sep 23, 2026

Looker Studio vs Power BI: A Comparison for Business Users

Sep 23, 2026

View All Articles

Reports and Dashboards

Power BI Filters: The Complete Guide to Types & Best Practices

Sep 23, 2026

How to Create a Dashboard in Power BI (Step-by-Step Guide)

Sep 23, 2026

What Are Power BI Paginated Reports?

Sep 23, 2026

What Is Power BI Report Builder and When Should You Use It?

Sep 23, 2026

How to Build a Sales Dashboard in Power BI

Sep 23, 2026

How to Create Maps in Power BI: Azure Maps, Filled Maps and Shape Maps

Sep 23, 2026

View All Articles

DAX and Data Modeling

The Complete Guide to Power BI Performance Optimization

Sep 23, 2026

Power BI Relationships and Cardinality Optimization (Performance Explained)

Sep 23, 2026

Star Schema vs Snowflake Schema in Power BI: Which Performs Better?

Sep 23, 2026

DAX Performance Optimization: How to Fix Slow Measures in Power BI

Sep 23, 2026

Why Your Power BI Report Is Slow - Complete Troubleshooting Guide for 2026

Sep 23, 2026

Complete DAX Guide for Power BI - Beginner to Advanced Guide

Sep 23, 2026

View All Articles

Fabric and Data Engineering

How Do I Build My First Pipeline in Microsoft Fabric?

Sep 23, 2026

Dataflows Gen2 vs Notebooks: Choosing in Microsoft Fabric

Sep 23, 2026

Microsoft Fabric and Power BI: The Unified Analytics Ecosystem

Sep 23, 2026

Cloud Migration Strategy: Guide and Checklist

Sep 23, 2026

How and When to Use Dataflows in Power BI

Sep 23, 2026

How to Connect Power BI to Snowflake

Sep 23, 2026

View All Articles

Power BI Licensing and Setup

Power BI Certification: A Complete Guide to Microsoft Power BI Credentials

Sep 23, 2026

Power BI Premium Capacity: Features, Pricing, and Enterprise Use Cases

Sep 23, 2026

Power BI Workspaces and Apps - A Beginner-Friendly Guide

Sep 23, 2026

Power BI Free vs Pro: Features, Pricing, and Key Differences Explained

Sep 23, 2026

Power BI Pro vs Premium – Features, Pricing & Comparison

Sep 23, 2026

Power BI Workspace Roles: Admin, Member, Contributor and Viewer Explained

Sep 23, 2026

View All Articles

BI Strategy and Reporting

Power BI vs Tableau: Which BI Tool Should You Choose in 2026?

Sep 23, 2026

Power BI vs Tableau vs Excel vs Looker: Which BI Tool is Best for You?

Sep 23, 2026

Implementation Checklist: 10 Steps to a Successful Power BI Roll-Out

Sep 23, 2026

Top 5 Reasons Power BI Projects Fail and How to Avoid Them

Sep 23, 2026

Excel vs Power BI: Why Growing Companies Should Upgrade to Modern BI Tools

Sep 23, 2026

Looker Studio vs Power BI: A Comparison for Business Users

Sep 23, 2026

View All Articles

Reports and Dashboards

Power BI Filters: The Complete Guide to Types & Best Practices

Sep 23, 2026

How to Create a Dashboard in Power BI (Step-by-Step Guide)

Sep 23, 2026

What Are Power BI Paginated Reports?

Sep 23, 2026

What Is Power BI Report Builder and When Should You Use It?

Sep 23, 2026

How to Build a Sales Dashboard in Power BI

Sep 23, 2026

How to Create Maps in Power BI: Azure Maps, Filled Maps and Shape Maps

Sep 23, 2026

View All Articles

DAX and Data Modeling

The Complete Guide to Power BI Performance Optimization

Sep 23, 2026

Power BI Relationships and Cardinality Optimization (Performance Explained)

Sep 23, 2026

Star Schema vs Snowflake Schema in Power BI: Which Performs Better?

Sep 23, 2026

DAX Performance Optimization: How to Fix Slow Measures in Power BI

Sep 23, 2026

Why Your Power BI Report Is Slow - Complete Troubleshooting Guide for 2026

Sep 23, 2026

Complete DAX Guide for Power BI - Beginner to Advanced Guide

Sep 23, 2026

View All Articles

Fabric and Data Engineering

How Do I Build My First Pipeline in Microsoft Fabric?

Sep 23, 2026

Dataflows Gen2 vs Notebooks: Choosing in Microsoft Fabric

Sep 23, 2026

Microsoft Fabric and Power BI: The Unified Analytics Ecosystem

Sep 23, 2026

Cloud Migration Strategy: Guide and Checklist

Sep 23, 2026

How and When to Use Dataflows in Power BI

Sep 23, 2026

How to Connect Power BI to Snowflake

Sep 23, 2026

View All Articles

Power BI Licensing and Setup

Power BI Certification: A Complete Guide to Microsoft Power BI Credentials

Sep 23, 2026

Power BI Premium Capacity: Features, Pricing, and Enterprise Use Cases

Sep 23, 2026

Power BI Workspaces and Apps - A Beginner-Friendly Guide

Sep 23, 2026

Power BI Free vs Pro: Features, Pricing, and Key Differences Explained

Sep 23, 2026

Power BI Pro vs Premium – Features, Pricing & Comparison

Sep 23, 2026

Power BI Workspace Roles: Admin, Member, Contributor and Viewer Explained

Sep 23, 2026

View All Articles

BI Strategy and Reporting

Power BI vs Tableau: Which BI Tool Should You Choose in 2026?

Sep 23, 2026

Power BI vs Tableau vs Excel vs Looker: Which BI Tool is Best for You?

Sep 23, 2026

Implementation Checklist: 10 Steps to a Successful Power BI Roll-Out

Sep 23, 2026

Top 5 Reasons Power BI Projects Fail and How to Avoid Them

Sep 23, 2026

Excel vs Power BI: Why Growing Companies Should Upgrade to Modern BI Tools

Sep 23, 2026

Looker Studio vs Power BI: A Comparison for Business Users

Sep 23, 2026

View All Articles

Reports and Dashboards

Power BI Filters: The Complete Guide to Types & Best Practices

Sep 23, 2026

How to Create a Dashboard in Power BI (Step-by-Step Guide)

Sep 23, 2026

What Are Power BI Paginated Reports?

Sep 23, 2026

What Is Power BI Report Builder and When Should You Use It?

Sep 23, 2026

How to Build a Sales Dashboard in Power BI

Sep 23, 2026

How to Create Maps in Power BI: Azure Maps, Filled Maps and Shape Maps

Sep 23, 2026

View All Articles

DAX and Data Modeling

The Complete Guide to Power BI Performance Optimization

Sep 23, 2026

Power BI Relationships and Cardinality Optimization (Performance Explained)

Sep 23, 2026

Star Schema vs Snowflake Schema in Power BI: Which Performs Better?

Sep 23, 2026

DAX Performance Optimization: How to Fix Slow Measures in Power BI

Sep 23, 2026

Why Your Power BI Report Is Slow - Complete Troubleshooting Guide for 2026

Sep 23, 2026

Complete DAX Guide for Power BI - Beginner to Advanced Guide

Sep 23, 2026

View All Articles

Fabric and Data Engineering

How Do I Build My First Pipeline in Microsoft Fabric?

Sep 23, 2026

Dataflows Gen2 vs Notebooks: Choosing in Microsoft Fabric

Sep 23, 2026

Microsoft Fabric and Power BI: The Unified Analytics Ecosystem

Sep 23, 2026

Cloud Migration Strategy: Guide and Checklist

Sep 23, 2026

How and When to Use Dataflows in Power BI

Sep 23, 2026

How to Connect Power BI to Snowflake

Sep 23, 2026

View All Articles

Power BI Licensing and Setup

Power BI Certification: A Complete Guide to Microsoft Power BI Credentials

Sep 23, 2026

Power BI Premium Capacity: Features, Pricing, and Enterprise Use Cases

Sep 23, 2026

Power BI Workspaces and Apps - A Beginner-Friendly Guide

Sep 23, 2026

Power BI Free vs Pro: Features, Pricing, and Key Differences Explained

Sep 23, 2026

Power BI Pro vs Premium – Features, Pricing & Comparison

Sep 23, 2026

Power BI Workspace Roles: Admin, Member, Contributor and Viewer Explained

Sep 23, 2026

View All Articles

Imprint

CaseWhen Blog

CaseWhen Blog

Latest articles

How Do I Build My First Pipeline in Microsoft Fabric?

Does Copilot Work on a Microsoft Fabric Trial?

Power BI vs Tableau: Which BI Tool Should You Choose in 2026?

The Complete Guide to Power BI Performance Optimization

Power BI Relationships and Cardinality Optimization (Performance Explained)

Star Schema vs Snowflake Schema in Power BI: Which Performs Better?

DAX Performance Optimization: How to Fix Slow Measures in Power BI

Why Your Power BI Report Is Slow - Complete Troubleshooting Guide for 2026

How Do I Build My First Pipeline in Microsoft Fabric?

Does Copilot Work on a Microsoft Fabric Trial?

Power BI vs Tableau: Which BI Tool Should You Choose in 2026?

The Complete Guide to Power BI Performance Optimization

Power BI Relationships and Cardinality Optimization (Performance Explained)

Star Schema vs Snowflake Schema in Power BI: Which Performs Better?

DAX Performance Optimization: How to Fix Slow Measures in Power BI

Why Your Power BI Report Is Slow - Complete Troubleshooting Guide for 2026

Browse by topic

Power BI vs Tableau: Which BI Tool Should You Choose in 2026?

Power BI vs Tableau vs Excel vs Looker: Which BI Tool is Best for You?

Implementation Checklist: 10 Steps to a Successful Power BI Roll-Out

Top 5 Reasons Power BI Projects Fail and How to Avoid Them

Excel vs Power BI: Why Growing Companies Should Upgrade to Modern BI Tools

Looker Studio vs Power BI: A Comparison for Business Users

Power BI Filters: The Complete Guide to Types & Best Practices

How to Create a Dashboard in Power BI (Step-by-Step Guide)

What Are Power BI Paginated Reports?

What Is Power BI Report Builder and When Should You Use It?

How to Build a Sales Dashboard in Power BI

How to Create Maps in Power BI: Azure Maps, Filled Maps and Shape Maps

The Complete Guide to Power BI Performance Optimization

Power BI Relationships and Cardinality Optimization (Performance Explained)

Star Schema vs Snowflake Schema in Power BI: Which Performs Better?

DAX Performance Optimization: How to Fix Slow Measures in Power BI

Why Your Power BI Report Is Slow - Complete Troubleshooting Guide for 2026

Complete DAX Guide for Power BI - Beginner to Advanced Guide

How Do I Build My First Pipeline in Microsoft Fabric?

Dataflows Gen2 vs Notebooks: Choosing in Microsoft Fabric

Microsoft Fabric and Power BI: The Unified Analytics Ecosystem

Cloud Migration Strategy: Guide and Checklist

How and When to Use Dataflows in Power BI

How to Connect Power BI to Snowflake

Power BI Certification: A Complete Guide to Microsoft Power BI Credentials

Power BI Premium Capacity: Features, Pricing, and Enterprise Use Cases

Power BI Workspaces and Apps - A Beginner-Friendly Guide

Power BI Free vs Pro: Features, Pricing, and Key Differences Explained

Power BI Pro vs Premium – Features, Pricing & Comparison

Power BI Workspace Roles: Admin, Member, Contributor and Viewer Explained

Power BI vs Tableau: Which BI Tool Should You Choose in 2026?

Power BI vs Tableau vs Excel vs Looker: Which BI Tool is Best for You?

Implementation Checklist: 10 Steps to a Successful Power BI Roll-Out

Top 5 Reasons Power BI Projects Fail and How to Avoid Them

Excel vs Power BI: Why Growing Companies Should Upgrade to Modern BI Tools

Looker Studio vs Power BI: A Comparison for Business Users

Power BI Filters: The Complete Guide to Types & Best Practices

How to Create a Dashboard in Power BI (Step-by-Step Guide)

What Are Power BI Paginated Reports?

What Is Power BI Report Builder and When Should You Use It?

How to Build a Sales Dashboard in Power BI

How to Create Maps in Power BI: Azure Maps, Filled Maps and Shape Maps

The Complete Guide to Power BI Performance Optimization

Power BI Relationships and Cardinality Optimization (Performance Explained)

Star Schema vs Snowflake Schema in Power BI: Which Performs Better?

DAX Performance Optimization: How to Fix Slow Measures in Power BI

Why Your Power BI Report Is Slow - Complete Troubleshooting Guide for 2026

Complete DAX Guide for Power BI - Beginner to Advanced Guide

How Do I Build My First Pipeline in Microsoft Fabric?

Dataflows Gen2 vs Notebooks: Choosing in Microsoft Fabric

Microsoft Fabric and Power BI: The Unified Analytics Ecosystem

Cloud Migration Strategy: Guide and Checklist

How and When to Use Dataflows in Power BI

How to Connect Power BI to Snowflake

Power BI Certification: A Complete Guide to Microsoft Power BI Credentials

Power BI Premium Capacity: Features, Pricing, and Enterprise Use Cases

Power BI Workspaces and Apps - A Beginner-Friendly Guide

Power BI Free vs Pro: Features, Pricing, and Key Differences Explained

Power BI Pro vs Premium – Features, Pricing & Comparison

Power BI Workspace Roles: Admin, Member, Contributor and Viewer Explained