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

To search for the names of all employees who have not been assigned to a department, enter the following statement:

   SELECT Name 
   FROM Employee 
   WHERE DeptNo IS NULL;

The result of this query is the names of all employees with a null in the DeptNo field.