//子查询
@org.junit.Test
public void subQuery(){
session=HibernateUtil.getSession();
hql="from Emp where sal<(select avg(e.sal) from Emp e) order by sal desc";
List<Emp> elist=session.createQuery(hql).list();
for(Emp e:elist){
System.out.println(e.getEname()+" : "+e.getSal());
}
HibernateUtil.closeSession();
}