🏆 HackerRank 🏅📜

📌 Overview 🔍

This 📂 showcases my 🏆 HackerRank 📜, which prove my 🔥 in 🗄️ SQL & 🐍 Python through 🧩, 🗃️ querying & core 💡.

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🏅 Certifications 🎓

🔹 🗄️ SQL (🆕) 📜
🔹 🐍 Python (🆕) 📜
🔹 🐍 Python (📈) 📜

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📚 Skills 🛠️

🔹 🗄️ SQL (🆕)

✅ Writing 📜 SELECT statements to 🔎 🗃️
✅ 🔍 results using 🎯 WHERE
✅ 📊 data using 📏 ORDER BY
✅ 📢 data using 🔢 COUNT, ➕ SUM, 📊 AVG, 🔽 MIN, 🔼 MAX
✅ Using 📦 GROUP BY & 🛑 HAVING for grouped 🗃️

🔹 🗄️ SQL (📈)

✅ 🔀 joins: 🔛 INNER, ⬅️ LEFT, ➡️ RIGHT, 🔄 FULL
✅ Using 🔍 window f(x): 🏆 RANK(), 🏅 DENSE_RANK(), 🔢 ROW_NUMBER()
✅ Utilizing 📦 CTEs & 🌀 subqueries
✅ Advanced 📊 aggregation & 🔎 filtering
✅ 🛠️ data with ✍️ UPDATE, ❌ DELETE, ➕ INSERT

🔹 🐍 Python (🆕)

✅ 📦 Data types & 📂 variables
✅ 🔄 Conditional statements & 🔁 loops
✅ 🛠️ Functions & 📜 built-in methods
✅ ✂️ String manipulation
✅ 🗂️ Basic 🏗️ (📜 lists, 📦 tuples, 📖 dictionaries)