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

Teradata Vantage™ - SQL Data Manipulation Language

Product
Advanced SQL Engine
Teradata Database
Release Number
17.05
Published
January 2021
Language
English (United States)
Last Update
2021-01-22
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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.