⚡️Free SQL Course & Datasets Below ⬇️ Free Intro & Video Datasets: Beginner Course Intermediate Course: In this video, I break down the critical differences between COUNT() and COUNT(column) in SQL - a seemingly simple topic that can completely mess up your query results if you don't understand it. I'll show you how COUNT() counts all rows while COUNT(column) ignores NULL values, why this matters when joining tables, and share an embarrassing mistake I made as an intern that taught me this lesson the hard way. By the end, you'll know exactly when to use each counting method and how to avoid the common pitfalls that trip up even experienced data analysts. Chapters 00:00 - The Hidden Danger of Counting in SQL 00:46 - Understanding COUNT() with the Orders Table 01:54 - How COUNT(column) Handles NULL Values 03:38 - Counting Non-Primary Key Columns 04:36 - The Distinct Keyword for Unique Counts 06:30 - My Embarrassing Intern Mistake 08:01 - Recap: COUNT() vs COUNT(column) vs COUNT(DISTINCT) 08:42 - How Joins Affect Your Counts 11:33 - Key Takeaways and Next Steps 🤳🏼 SOCIALS 📫 Newsletter: 📸 Instagram: @JessRamosData 💙 LinkedIn: Jess Ramos, MSBA 🎬 TikTok: @JessRamosData 💌 Brand Partnerships: partnerships@