SQL Concepts - Test Your SQL Skills With These Real Interview Questions!

Since my first job as a software engineer, SQL has been a constant. In this video, I share 10 sql interview questions that truly test your knowledge, perfect for anyone aiming for a data analyst interview. You'll learn sql through practical examples and get essential interview tips for using sql for data analysts in real-world scenarios. 0:00 - Why SQL is important for interviews 1:45 - Chapter 1 - Question 1 & 2 3:07 - Chapter 2 - Questions 3-5 8:17 - Chapter 3 - Questions 6-8 10:26 - Chapter 4 - Questions 9-10 11:29 - Chapter 5 - Final thoughts & more tips 5 Extra SQL Interview Questions (technical) 1) What is the difference between a CTE & a sub-query? Demonstrate with an example. 2) We have 4 sales teams, and each have multiple salespersons. How do I see the total sales by salesperson, their % of entire company sales and % of team sales? Explain the logic and approach. (hint: you can use window functions) 3) Have you used SQL in a programming language like Python? Explain why and how you used it? 4) Give an example of LAG window function in SQL 5) How would you process JSON data with SQL? 50 More SQL Queries: Web page: https://chandoo.org/wp/learn-sql-for-data-analysis/ Video: https://youtu.be/l8DCPaHc5TQ Learn SQL (basics to advanced playlist): SQL Basics https://youtu.be/Iceaqdy7mEs SQL for Data Analysis in 1 hour https://youtu.be/l8DCPaHc5TQ SQL Joins https://youtu.be/xkYpNfpmbGY 10 Advanced SQL Examples https://youtu.be/Ejxam_CBY9U SQL with Power BI - Live Demo https://youtube.com/live/UQJAHUUFK-o #sql #interview