16.20 - Null Expressions - 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)

If any expression in a comparison is null, the result of the comparison is unknown.

For a LIKE operation to provide a true result when searching fields that may contain nulls, the statement must include the IS [NOT] NULL operator.