QUALIFY Clause | SQL SELECT Statements | Teradata Vantage - 17.05 - QUALIFY Clause - Advanced SQL Engine - Teradata Database

Teradata Vantage™ - SQL Data Manipulation Language

Advanced SQL Engine
Teradata Database
Release Number
Release Date
January 2021
Content Type
Programming Reference
Publication ID
English (United States)

A conditional clause in the SELECT statement that filters results of a previously computed ordered analytical function according to user-specified search conditions.

The major difference between QUALIFY and HAVING is that with QUALIFY the filtering is based on the result of performing various ordered analytical functions on the data.

ANSI Compliance

The QUALIFY clause is a Teradata extension to the ANSI standard.