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From MetaLink Note:47915.1
With Oracle8i, the distinct clause is no longer necessary since it is now
possible to use an order by directly in an in-line view. Thus the above two
select statements become:
select ename, empno, deptno
from (select deptno, ename, empno from emp ORDER BY deptno, ename)
where rownum <= 5;
D.
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