16.20 - NVL2 - 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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Purpose

Returns one of two values based on whether or not expr1 is NULL.

Syntax



TD_SYSFNLIB.
Name of the database where the function is located.
expr1
A numeric or character expresssion.
  • If expr1 is not NULL, expr2 is returned.
  • If expr1 is NULL, expr3 is returned.
expr2
A numeric or character expresssion.
expr3
A numeric or character expresssion.