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SQL Functions and Group Operations Guide by Khaled Amr is a document available to read on EtoBox.

What is SQL Functions and Group Operations Guide about?

The document provides an overview of SQL functions, specifically focusing on single-row and multiple-row functions, as well as group functions that operate on sets of rows. It details various group functions such as AVG, COUNT, MAX, MIN, STDDEV, SUM, and VARIANCE, along with their syntax and examples. Additionally, it discusses the use of the HAVING clause to restrict group results based on conditions.

Author

Khaled Amr

Language

EN