16.20 - Using ANSI Window Functions Instead of QUANTILE - Teradata Vantage NewSQL Engine

Teradata Vantage™ SQL Functions, Expressions, and Predicates

prodname
Teradata Database
Teradata Vantage NewSQL Engine
vrm_release
16.20
category
Programming Reference
featnum
B035-1145-162K

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()