UNION and UNION ALL Operators In SQL : Difference butween UNION and UNION ALL with example

In this video, we dive into the powerful SQL UNION and UNION ALL operators. Learn how to combine results from multiple SELECT statements effectively, with a clear explanation of how UNION removes duplicates while UNION ALL retains them. Perfect for anyone looking to enhance their SQL skills! We also cover key conditions for using these operators, ensuring your queries run smoothly. Watch now to master these essential SQL tools!
Key Points Covered:
Difference between UNION and UNION ALL
Examples demonstrating both operators
Conditions for using UNION and UNION ALL
Combining columns from multiple tables
Notes Link -
docs.google.co...
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