16.20 - AND Truth Table - 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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The following table illustrates the AND logic used in evaluating search conditions.

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