QUALIFY qualify_condition - Advanced SQL Engine - Teradata Database

SQL Data Definition Language Syntax and Examples

Product
Advanced SQL Engine
Teradata Database
Release Number
17.00
Published
September 2020
Language
English (United States)
Last Update
2021-01-23
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B035-1144
lifecycle
previous
Product Category
Teradata Vantage™

An introduction to a conditional ordered analytical function filtering clause in the SELECT statement.

A QUALIFY clause is valid when coded as part of a seed statement.

QUALIFY is never valid when coded as part of a recursive statement.

See Teradata Vantage™ - SQL Data Manipulation Language, B035-1146 for complete documentation of the QUALIFY clause.

qualify_condition
One or more conditional Boolean expressions that must be satisfied by the results groups.
You can use aggregate operators in a QUALIFY condition.
You cannot specify a SAMPLE clause within a subquery predicate within a QUALIFY clause.
You cannot specify BLOB, CLOB, UDT, or Period columns in the QUALIFY condition.
QUALIFY condition filters rows from a previously computed ordered analytical function.