🎓 Learn Data Science & AI for FREE (Full Roadmap 🚀) You don’t need expensive bootcamps or paid courses. You just need the right roadmap the best YouTube mentors 🎯. 💾 1️⃣ SQL – Databases First 📺 W3Schools → Master queries, joins, subqueries, and real-world practice playgrounds 📈 2️⃣ Maths Statistics – The Core 📺 Khan Academy → Linear algebra, probability, calculus fundamentals 📺 StatQuest → Statistical concepts explained like storytelling 🎥 📊 3️⃣ Excel Visualization Tools 📺 Chandoo → E