This document discusses PostgreSQL summary statistics and window functions. It focuses on aggregate functions like COUNT, SUM, AVG, MIN, and MAX that operate on groups of rows and return a single value. Window functions allow calculations over sets of rows, like a moving average, ranking rows, or comparing values in the current row to other rows.

1. #25,284,146
Shabana Ajamal Hannure
PostgreSQL Summary Stats and Window
Functions
AUG 01, 2022