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(Aggregate Functions) 2 - SQL Functions by r121212a is a document available to read on EtoBox.
What is (Aggregate Functions) 2 - SQL Functions about?
The document explains SQL aggregate functions, which summarize data into single values from multiple rows. Key functions include COUNT(), SUM(), AVG(), MIN(), and MAX(), each serving to calculate different statistics from a specified column. Examples of SQL queries demonstrate how to use these functions to retrieve total revenue, highest and lowest revenue, and count of items in a dataset.
- Author
- r121212a
- Language
- EN