16.20 - OR Truth Table - Teradata Vantage NewSQL Engine

Teradata Vantageā„¢ SQL Functions, Expressions, and Predicates

prodname
Teradata Database
Teradata Vantage NewSQL Engine
vrm_release
16.20
category
Programming Reference
featnum
B035-1145-162K

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