16.20 - OR UNKNOWN - Advanced SQL Engine - Teradata Database

Teradata Vantage™ - SQL Functions, Expressions, and Predicates
Product
Advanced SQL Engine
Teradata Database
Release Number
16.20
Published
March 2019
Language
English (United States)
Last Update
2020-03-25
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Use with NO RANGE.

NO RANGE OR UNKNOWN handles a test_expression that does not map into any of the specified ranges, or a test_expression that evaluates to NULL when RANGE_N does not specify the range BETWEEN * AND *.