Example

Teradata Vantageā„¢ SQL Functions, Expressions, and Predicates

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

The following query:

SELECT NVL2('England', 'France', 'Spain'); 

returns the second argument, 'France', because the first argument is not NULL.