16.20 - Computing Top and Bottom Values - Advanced SQL Engine - Teradata Database

Teradata Vantage™ - SQL Functions, Expressions, and Predicates

Product
Advanced SQL Engine
Teradata Database
Release Number
16.20
Release Date
March 2019
Content Type
Programming Reference
Publication ID
B035-1145-162K
Language
English (United States)

You can use RANK to compute top and bottom values as shown in the following examples.

Top(n, column) is computed as QUALIFY RANK(column DESC) <=n.

Bottom(n, column) is computed as QUALIFY RANK(column ASC) <=n.