GROUPING SETS vs ROLLUP vs CUBE in SQL | Advanced SQL Tutorial with Examples
This video is an SQL tutorial about three powerful yet underused SQL features: GROUPING SETS, ROLLUP, and CUBE. Learn how to simplify multi-level aggregations, eliminate repetitive UNION queries, and improve your SQL reporting skills.
We shall learn the following topics:
What are GROUPING SETS in SQL?
How ROLLUP works for hierarchical subtotals
Using CUBE for complete combinatorial analysis
Real-world use cases and demo with a sales dataset
Bonus: Using the GROUPING() function to identify totals
This is part of my Advanced SQL series aimed at helping you crack interviews and build real-world reporting solutions.
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