The EDAH Blog
Plain-language guides to Excel, SQL, Power BI, and building a career in data analytics.
What Is Data Analytics? A Beginner's Guide
A plain-language definition, the four types of analytics, and how to start — no jargon, no assumed experience.
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10 Excel Functions Every Beginner Should Know
Skip the 200-function cheat sheets. These 10 cover almost everything a working data analyst does day to day.
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SQL for Beginners: What Is SQL and Why Does It Matter?
What SQL actually is, why analysts reach for it once Excel isn't enough, and the five commands that get you querying real data.
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Power BI Explained: A Beginner's Guide
What Power BI actually does, how it differs from Excel, and who genuinely needs to learn it.
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Data Analyst Career Roadmap 2026
What to learn, in what order, and how long it realistically takes to go from zero experience to your first data analyst role.
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Why Every Business Needs Data Analytics
You don't need a data science team to benefit from data analytics — here's what it actually changes for a growing business.
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