17.10 - Using ANSI Window Functions Instead of QUANTILE - Advanced SQL Engine - Teradata Database

Teradata Vantageā„¢ - SQL Functions, Expressions, and Predicates

Product
Advanced SQL Engine
Teradata Database
Release Number
17.10
Release Date
July 2021
Content Type
Programming Reference
Publication ID
B035-1145-171K
Language
English (United States)

The use of QUANTILE is strongly discouraged. It is a Teradata extension to the ANSI SQL:2011 standard and is retained only for backward compatibility with existing applications.

To compute QUANTILE(q, s) using ANSI window functions, use the following:

   (RANK() OVER (ORDER BY s) - 1) * q / COUNT(*) OVER()