16.20 - Computing Top and Bottom Values - Teradata Database

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

prodname
Advanced SQL Engine
Teradata Database
vrm_release
16.20
created_date
March 2019
category
Programming Reference
featnum
B035-1145-162K

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.