Day 12 Mastering SQL Advanced Grouping and Joins: CUBE, ROLLUP, Self-Joins, and More

Welcome to Day 12 of our SQL Masterclass series! In this video, we'll delve into advanced SQL concepts, including GROUP BY CUBE and ROLLUP, self-joins, cross joins, and natural joins. These powerful techniques will enhance your data analysis skills and help you write more efficient and insightful queries.

What You'll Learn:

How to use GROUP BY CUBE and ROLLUP for multi-level aggregations.
Performing self-joins to query hierarchical data within the same table.
Finding pairs of records with specific criteria using self-joins.
Utilizing cross joins to generate all possible combinations of two datasets.
Understanding natural joins and how to simulate them in SQL Server.
Queries Covered:

Booking Amount Rollup using GROUP BY ROLLUP and GROUP BY CUBE.
Self-Join to List Employees and Their Managers.
Finding Pairs of Films with the Same Length.
Cross Join to Find All Possible Pairs of Customers and Payments.
Simulating Natural Joins in SQL Server.

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Day 12 Mastering SQL Advanced Grouping and Joins: CUBE, ROLLUP, Self-Joins, and More
   • Day 12 Mastering SQL Advanced Groupin...  


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