A.通過(guò)JNDI查找另外一個(gè)EJB的Home對(duì)象 B.調(diào)用Home對(duì)象的create() C.調(diào)用EJB對(duì)象的業(yè)務(wù)方法 D.調(diào)用EJB對(duì)象的remove()
A.重復(fù)的組 B.主控鍵 C.主鍵 D.外鍵
A.input B.out C.inout D.in