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Master Advanced SQL Concepts: ROLLUP, CUBE, and GROUPING( ).

Are you looking to level up your PL/SQL skills? Understanding advanced SQL techniques like ROLLUP operator, CUBE operator, and GROUPING() function can take your data aggregation to the next level.

Why Discuss These Topics?
Enhance Your Reporting Skills: Learn how to generate subtotals and grand totals effectively using ROLLUP and CUBE.

Fine-Tune Your Data Analysis: Use the GROUPING() function to distinguish between regular data rows and subtotal/grand total rows.

What is the GROUPING() Function?

The GROUPING() function is used to distinguish NULLs in result sets produced by ROLLUP or CUBE.
It returns:
0 if the column is included in the grouping
1 if the column is aggregated (i.e., represents a subtotal or total)

Improve Performance: Mastering these functions can help you create more efficient and readable queries for complex reporting.

Let's discuss real-world applications, tips, and tricks to use ROLLUP, CUBE, and GROUPING() effectively in your projects.

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