Скачать или смотреть SQL Set Operators Explained (2025) | UNION, INTERSECT, EXCEPT & UNION ALL Tutorial

🔗 Welcome to Kishorelytics — your go-to place for SQL fundamentals made clear.
In this video, we’ll break down SQL set operators: UNION, UNION ALL, INTERSECT, and EXCEPT — step by step, with real examples and clear logic.

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✅ What You’ll Learn:
What UNION and UNION ALL do, and when to use each
How INTERSECT returns only common rows between queries
How EXCEPT returns rows from one query that aren’t in another
Differences, use cases, and pitfalls of each operator
Real example queries to show how they work in practice
Best practices and tips for using set operators efficiently

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🎯 Who This Video Is For:
Beginners learning SQL
Data analysts & engineers brushing up on set logic
SQL learners preparing for interviews
Anyone confused by these operators and wanting clarity

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💡 After watching, you’ll be able to confidently use set operators in your queries — combining, comparing, and excluding data across multiple SELECT statements.

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💬 Leave your set operator questions in the comments — I reply to all.
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