EJB specification and WebSphere query language comparison

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

WebSphere Application Server supports the following extensions to the EJB query language.

Table 1. 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  



Related concepts
EJB query language
Related tasks
Using EJB query
Using the dynamic query service
Reference topic    

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Last updated: Oct 21, 2010 5:30:17 AM CDT
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