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What is SQL Group Functions Overview about?

The document provides an overview of SQL group functions, which operate on sets of rows to return a single result per group. It details various types of group functions such as MAX, MIN, SUM, AVG, COUNT, and their usage in SQL queries, including the GROUP BY and HAVING clauses. Additionally, it explains how to handle null values and introduces advanced grouping techniques like ROLLUP and CUBE.

Author

ahmadm2clan

Language

EN