EJB specification and WebSphere query language comparison

EJB specification and WebSphere query language comparison

WebSphere Application Server extends the Enterprise JavaBeans (EJB) query language with elements of its own.

WAS supports the following extensions to the EJB query language.

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

Related:

EJB query language
Use EJB query
Use the dynamic query service

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