16.20 - Example: Testing the Salary Column for Null - Teradata Database

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

prodname
Advanced SQL Engine
Teradata Database
vrm_release
16.20
created_date
March 2019
category
Programming Reference
featnum
B035-1145-162K

In this example, you can test the Salary column for null.

   SELECT empno, ZEROIFNULL(salary) 
   FROM employee ; 

A nonzero value is returned for each employee number, indicating that no nulls exist in the Salary column.