17.00 - 17.05 - 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
17.00
17.05
Published
June 2020
Language
English (United States)
Last Update
2021-01-30
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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()