16.20 - OR Truth Table - Advanced SQL Engine - Teradata Database

Teradata Vantage™ - SQL Functions, Expressions, and Predicates

Product
Advanced SQL Engine
Teradata Database
Release Number
16.20
Release Date
March 2019
Content Type
Programming Reference
Publication ID
B035-1145-162K
Language
English (United States)

The following table illustrates the OR logic used in evaluating search conditions.

  x FALSE x UNKNOWN x TRUE
y FALSE FALSE UNKNOWN TRUE
y UNKNOWN UNKNOWN UNKNOWN TRUE
y TRUE TRUE TRUE TRUE