About this document

Advanced SQL: Joins and Aggregation by Kallan is a document available to read on EtoBox.

M 3.33 F 3.5 The document discusses SQL aggregation queries using the GROUP BY clause. It provides examples of using aggregation functions like COUNT, SUM, AVG, MAX, MIN with a simple SELECT statement and with a GROUP BY clause to aggregate results by different attributes like gender or age. The GROUP BY clause groups the rows based on the specified columns before applying aggregation functions.

Author

Kallan

Language

EN