UNION vs UNION ALL in SQL Server: Key Differences & Examples

UNION vs UNION ALL in SQL Server: Key Differences & Examples In this video, we'll explore the differences between UNION and UNION ALL in SQL Server. We'll cover: What is UNION and UNION ALL? How they differ in removing duplicate rows Examples of using UNION vs UNION ALL Execution plan differences and performance implications Tips for using UNION and UNION ALL effectively By the end of this video, you'll have a solid understanding of when to use UNION vs UNION ALL in your SQL Server queries. Timestamp: 0:00 - Introduction 0:26 - Real Life Example 1:12 - Union vs Union All 1:33 - Example of Union 4:47 - Example of Union All 5:46 - Execution Plan for Union 6:18 - Execution Plan for Union All 6:52 - Column Mapping with Union Choose KnowHow Academy: Embrace the Need to Experiential Learning! 🔵What: KnowHow Academy offers engaging and practical learning for all, focusing on SQL, Power BI, PowerApps, ChatBots,interview prep, and more. 🟡Why: We're dedicated to delivering top-notch tutorials that empower learners to thrive in the ever-changing tech world. 🔵How: Our expert instructors provide clear, step-by-step guidance to help you build essential skills and advance your career. 🟡When: Whether you're a beginner or an expert, our tutorials are available whenever you need hands-on expertise and personal and professional growth. Stay Connected with KnowHow Academy here 👇 👉Instagram:https://www.instagram.com/knowhowtrainingacademy/ 👉Twitter:https://twitter.com/coachknowhow 👉Facebook:https://www.facebook.com/KnowHowtrainingacademy/ 👉LinkedIn:https://www.linkedin.com/notifications/?filter=all 👉Website:https://knowhowacademy.in/ #sqlserver #union #unionall #sql #sqltips #sqltutorial #sqlinterviewquestions #sqltraining