EJB and MYSQL

Hi all Which version of MySql can support J2EE well? I have ever used mysql with Jboss (open source of EJB implementation) , it feels some limitation in comparison with using oralce. Why mySQL haven't been support by the BEA weblogic or other main stream EJB implementation?

EJB and MYSQL

Hi all Which version of MySql can support J2EE well? I have ever used mysql with Jboss (open source of EJB implementation) , it feels some limitation in comparison with using oralce. Why mySQL haven't been support by the BEA weblogic or other main stream EJB implementation? ---