In Day 16 of my 30-Day SQL Challenge, I dive into Aggregate Functions in PostgreSQL! 🎓
Learn how to use:
🔹 SUM() – Add values across rows
🔹 COUNT() – Count the number of entries
🔹 AVG() – Get the average value
🔹 MAX() / MIN() – Find the highest and lowest values
These functions are essential for data analysts and backend devs alike!
✅ Covered using pgAdmin on PostgreSQL
✅ Hands-on examples with fictional data
✅ Beginner-friendly explanation
📈 Whether you're preparing for interviews or learning data analytics, this is a must-know skill!
🔒 All data shown in this video is fictional and intended solely for educational purposes. No real personal information is used.
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📅 #Day16 of #30DayDataChallenge
👨💻 Channel: Tech With Nicks
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