NULL predicate The NULL predicate tests for null values. single-valued-path-expression IS [NOT] NULL Example: NULL predicate e.name IS NULL e.dept.name IS NOT NULL e.dept IS NOT NULL EJB query language WHERE clause Using EJB query
The NULL predicate tests for null values.
single-valued-path-expression IS [NOT] NULL
Example: NULL predicate
e.name IS NULL
e.dept.name IS NOT NULL
e.dept IS NOT NULL