Operating Systems: i5/OS
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EMPTY collection predicate
You can use the EMPTY collection predicate to test if a multivalued
relationship has no members.
Use the following syntax:
collection-valued-path-expression IS [NOT] EMPTY
Example: Empty collection predicate
To find all
departments with no employees:
SELECT OBJECT(d) FROM DeptBean d WHERE d.emps IS EMPTY
Related concepts
EJB query language
WHERE clause
Related tasks
Using EJB query