

Abhishek
274 posts

@LoyalDataEng
Learning. Building. Scaling. 🚀 Data Engineer sharing projects, tips & real-world data engineering journeys.






🚀 Day 1/30 – Python for Data Engineering 🐍 The journey officially begins! 🎉 Today's topics: 📌 What is Python? 📌 Why Python for Data Engineering? 📌 Python in the Data Engineering ecosystem 📌 Python execution flow & interpreter 📌 Program structure 📌 Your first Python program 📌 Python syntax rules 📌 Variables & basic data types 📌 User input 📌 Comments & indentation 📌 Common mistakes beginners make 📌 Python best practices 📌 Features of Python 📌 File types (.py, .pyc) 📌 Quick recap & pro tips 🔥 Bonus (In-Depth Sheet): ✅ Python execution explained ✅ Important concepts every beginner should know ✅ Sample code walkthrough ✅ Interview questions ✅ 5 beginner coding problems with solutions: • Sum of Digits • Reverse a Number • Armstrong Number • Palindrome Number • Factorial 💡 My goal is simple: Build a complete, beginner-friendly 30 Days of Python for Data Engineering series with visual notes, practical examples, coding challenges, and interview preparation. 📌 Save this thread and follow @LoyalDataEng so you don't miss Day 2! #Python #DataEngineering #PythonProgramming #DataEngineer #LearnPython #Coding #TechTwitter #100DaysOfCode #BigData #PySpark #SQL #Programming #AI #MachineLearning










🚀 Day 1/30 – Introduction to SQL 🗄️ Every Data Engineer starts with one language: SQL. If you can master SQL, you're already ahead of many aspiring data professionals. In today's lesson, we'll cover: 📌 What is SQL? 📌 Why SQL is important 📌 History of SQL 📌 Database vs SQL 📌 How SQL works (with diagrams) 📌 Types of SQL Commands (Overview) 📌 Real-world use cases 📌 Interview Questions 📌 Quick Revision Cheat Sheet This isn't just theory—I'll explain everything with visuals, real-world examples, and interview-focused notes. 📖 Part 1: Fundamentals (This Post) 🔥 Part 2: Deep Dive • SQL Architecture • SQL Characteristics • SQL Dialects • SQL Syntax Rules • SQL Data Types • Advanced Interview Questions • Pro Tips 💾 Save this thread—you'll thank yourself during interviews. Tomorrow: DBMS vs RDBMS 🗄️ Follow @LoyalDataEng and join the 30-Day SQL journey. 🚀 #SQL #DataEngineering #DataEngineer #Database #MySQL #PostgreSQL #LearnSQL #TechTwitter #100DaysOfCode #Coding #BigData #DataAnalytics













