Enterprise JavaBeans Query Language in Sun Java System Application
Server 8 and J2EE 1.4 SDK
This article Introduces the history and benefits of EJB QL, the
concepts of finders and selectors, and the key syntaxes, along with
examples. EJB QL is easy to master, especially for those familiar
with SQL.
For details, see:
developers.sun.com/.../ejbql.html?ssobm=\
yg