1. Data Engineer Interview Questions & Answers | Data Engineer Interview Playlist

🚀 Are you preparing for your Data Engineer interview in 2025? Whether you’re targeting roles in Big Data, Azure, AWS, GCP, or Databricks, this video covers the most frequently asked Data Engineer interview questions and answers with practical coding examples. dataset - table CREATE TABLE Sales ( sale_id INT, sale_date DATE, amount INT ); INSERT INTO Sales VALUES (1, '2025-09-01', 1000), (2, '2025-09-02', 2000), (3, '2025-09-03', 1500), (4, '2025-09-04', 3000); dataframe - data = [ ("Jan", "Mobile", 1000), ("Jan", "Laptop", 2000), ("Feb", "Mobile", 1500), ("Feb", "Laptop", 3000), ("Mar", "Mobile", 1200), ] df = spark.createDataFrame(data, ["month", "product", "sales"]) df.show() 💡 In this video, we cover: ✅ SQL Interview Questions – Joins, Window Functions, CTE, Performance Tuning ✅ Python Interview Questions – Data Structures, Generators, File Handling, Pandas ✅ PySpark Interview Questions – Duplicates, Pivot, GroupBy, Window Functions ✅ Azure & Databricks Questions – Medallion Architecture, Delta Lake, ADF, DLT ✅ Data Modeling & ETL Concepts – Normalization, SCD Type 1 & 2, Incremental Loads ✅ Scenario-based Q&A – Real-world Data Engineering case studies 🔍 Who is this video for? Aspiring Data Engineers SQL Developers moving into Big Data roles Python / PySpark professionals preparing for interviews Cloud Data Engineers (Azure / AWS / GCP) Anyone targeting Top FAANG & Fortune 500 companies 🔔 Want more videos like this? 👉 Hit Like, 💬 Comment, 🔁 Share, and ✅ Subscribe! ❤️ Support the channel! 🎯 Like Goal: 5000 Likes! 👍 Don’t forget to show love by liking & sharing this video. 📽️ Chapters ⏱️ 0:00 - Introduction 📚 Playlists You’ll Love: 1️⃣ AWS Data Engineer: 🔗    • AWS DATA ENGINEER   2️⃣ Azure Data Engineer Playlist: 🔗    • Complete azure data engineer Course | azur...   3️⃣ SQL Playlist: 🔗    • SQL Playlist   6️⃣ PySpark Playlist: 🔗    • Pyspark Tutorial   5️⃣ Azure Data Factory Playlist: 🔗    • Azure Data Factory   4️⃣ Python Playlist: 🔗    • Python Tutorial   7️⃣ Azure Data Engineer Projects: 🔗    • Data Engineer Project   8️⃣ Data Engineer Interview Prep: 🔗    • Data Engineer Interview Playlist   📣 Connect with Me: 💬 Join the conversation on Telegram: 🔗 https://t.me/+Cb98j1_fnZs3OTA1 🙏 Hope you enjoyed the video and learned something valuable! 📺 See you in the next one — until then, Bye-Bye 👋 🔖 Tags: #dataengineer #azuredataengineer #awsdataengineer #pyspark #databricks #adf #azuredatafactory #cloudcomputing #etl #datascience #dataengineering #dataengineerinterview #sqlinterview #pythoninterview #pysparkinterview #azuredataengineer #databricks #bigdata #interviewpreparation