SQL Set Operators Masterclass | UNION, INTERSECT & EXCEPT Explained with Real Examples

https://bit.ly/3Ff5EsbWant to confidently use SQL set operators like a pro?

In this video, we break down the most powerful Set Operators in SQL — UNION, UNION ALL, INTERSECT, and EXCEPT — used to combine results from multiple queries. You'll understand not just what they are, but exactly when and how to use each operator effectively.

Whether you're prepping for interviews, working with large datasets, or aiming to optimize queries, this tutorial will sharpen your SQL skills and boost your confidence with real-world examples.
🎓 What You’ll Learn:

1️⃣ Core Concepts of Set Operators

What are SQL set operators and why are they important

Key differences between UNION vs UNION ALL

How INTERSECT and EXCEPT behave with duplicates
2️⃣ Syntax & Execution Flow

Exact SQL syntax for each operator

How data types and column order impact results

Execution logic and performance tips
3️⃣ Real-World Use Cases

Merging employee data from different sources

Filtering overlapping or non-overlapping data

Solving common business problems with set logic
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📚 Recommended Reads for SQL Learners:

📘 Learning SQL – Alan Beaulieu

📘 SQL Cookbook – Anthony Molinaro

📘 SQL in 10 Minutes – Ben Forta
🎬 Must-Watch Tech Documentaries:

🎬 The Internet's Own Boy (2014)

🎬 Silicon Valley: The Untold Story (2018)

🎬 Code: Debugging the Gender Gap (2015)
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Видео SQL Set Operators Masterclass | UNION, INTERSECT & EXCEPT Explained with Real Examples канала Imarticus Learning