Window functions or Greenplum analytics functions compute an aggregated value that is based on a group of rows. These functions allow the application developers to more easily write complex online analytical processing (OLAP) queries using standard SQL commands. For example, with Greenplum analytics functions or windows expressions, users can calculate moving averages or sums over various intervals, ranks as selected column values etc. Read: Greenplum Computed Column Support and Alternative Greenplum Architecture Greeplum Analytic Functions Examples Here are the examples of some commonly used Greenplum analytics functions: COUNT Analytics functions…