Oracle11g 内连接 区分外部表和内部表吗

11g中下面两个sql执行计划是否有差异

select d.deptno from dept d,emp e
where d.deptno = e.deptno;
select d.deptno from dept d,emp e
where e.deptno = d.deptno;

http://www.cnblogs.com/Mandylover/p/5212369.html