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

Related concepts
EJB query language
WHERE clause
Related tasks
Using EJB query



Searchable topic ID:   cque_null
Last updated: Jun 21, 2007 4:55:42 PM CDT    WebSphere Application Server Network Deployment, Version 5.0.2
http://publib.boulder.ibm.com/infocenter/wasinfo/index.jsp?topic=/com.ibm.websphere.nd.doc/info/ae/ae/cque_null.html

Library | Support | Terms of Use | Feedback