Complete PostgreSQL Course for Beginners - Can You Solve This SQL INTERVIEW QUESTION Without JOINs or Subqueries?

This video shows a real SQL Interview Question asked in Infosys Digital. We explain how to solve this SQL Interview Question simply. If you're preparing for a data analyst job, this SQL Interview Question will help you a lot. Watch until the end to learn two smart methods for finding the highest salary in each department. No joins? No subqueries? No problem! Bonus tip: we also use window functions. Don't forget to like and subscribe for more easy SQL tips. 🎯 Buy The MUST HAVE Book for Data Professionals here📘💡https://dataprofy.com/product-category/ebook/ ============ Watch how to configure Oracle on VS Code https://youtu.be/6mwAx4sGhwk Explore the complete PL/SQL course for FREE on my website at https://www.rebellionrider.com/category/pl-sql/ ============ The camera gear I use in my Videos https://www.amazon.in/shop/manishsharma?listId=DU9UM0XL97KM&ref=idea_share_inf ============ Connect With Me on My Social Media https://www.instagram.com/RebellionRider/ https://www.facebook.com/TheRebellionRider/ https://twitter.com/RebellionRider https://www.linkedin.com/in/mannbhardwaj/ ============ FAQ Which book to refer to learn - PL/SQL https://amzn.to/2QE1jX0 Performance Tuning https://amzn.to/2sgiAw4 1z0-071 Exam https://amzn.to/2sgfeJw Python Programming https://amzn.to/305UEbh ============ AFFILIATE DISCLOSURE: Some of the links used in the description will direct you to Amazon.in. As an Amazon Associate, I earn from qualifying purchases at no additional cost to you. #rebellionrider =============