Network Deployment (Distributed operating systems), v8.0 > Reference > Developer best practices
EJB specification and WebSphere query language comparison
WAS extends the EJB query language with elements of its own.
WAS supports the following extensions to the EJB query language.
Extensions supported for the EJB query language. The product supports the following extensions.
Item Delimited identifiers Dependent Value object attributes used in path expressions EJB Inheritance EXISTS predicate Java methods: EJB bean methods or value object methods dynamic query only Multiple element select clauses dynamic query only SQL Date/time expressions Subqueries, group by, and having clauses
EJB query language
Use EJB query
Use the dynamic query service