Complete PostgreSQL Course for Beginners - SQL Interview Question - Fetch Unique Values Without DISTINCT! #sqlinterview #coding

Tired of using DISTINCT for unique records in SQL? There's a hidden gem – the GROUP BY clause!🎯Explore the complete PL/SQL course for FREE on my website at https://www.rebellionrider.com/category/pl-sql/ ============ Watch how to configure Oracle on VS Code https://youtu.be/6mwAx4sGhwk ============ 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 ============= I’ve got an SQL trick that will level up your data engineering game! 💻🚀 As someone who earned the Oracle SQL Expert 1z0-071 certification and recently published 'Mastering SQL Window Functions,' I’m always on the lookout for efficient and innovative ways to handle data. Today, I’m sharing a quick SQL trick that can fetch unique records from your database without using the DISTINCT keyword. Imagine you need to fetch all the unique records from a column in your table. The usual approach would be to use the DISTINCT keyword. But here’s the twist—how do you achieve this without using DISTINCT, subqueries, or CTEs? 🤔 It’s simpler than you think. Use the GROUP BY clause! This groups the results by the column you want, giving you unique records effortlessly. Fun fact: A study by Gartner reveals that effective data management, including SQL optimization, can improve decision-making efficiency by up to 33%. 🌐📊 Try it out and let me know if you knew this trick already! Comment below and share your thoughts or any other cool SQL tips you have! Let’s keep learning together. 🚀