16.20 - Example - 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

Conversely, to search for the names of all employees who have been assigned to a department, you could enter the following statement:

   SELECT Name 
   FROM Employee 
   WHERE DeptNo IS NOT NULL;

This query returns the names of all employees with a value that is non-NULL in the DeptNo field.