17.10 - AND Truth Table - Advanced SQL Engine - Teradata Database

Teradata Vantageā„¢ - SQL Functions, Expressions, and Predicates

Product
Advanced SQL Engine
Teradata Database
Release Number
17.10
Release Date
July 2021
Content Type
Programming Reference
Publication ID
B035-1145-171K
Language
English (United States)

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