Comments on: keep dense_rank with multiple column

By: DJ

DJ — Fri, 17 Aug 2007 14:34:47 +0000

Fair enough, but t is a table in your demo.

By: Laurent Schneider

Laurent Schneider — Fri, 17 Aug 2007 13:27:03 +0000

well, sometimes yes, but not always, it may fail if t is a view

By: DJ

DJ — Fri, 17 Aug 2007 12:19:45 +0000

How about using rowid?
select deptno,
max(firstname) keep (dense_rank last
order by hiredate,rowid) firstname,
max(lastname) keep (dense_rank last
order by hiredate,rowid) lastname,
max(hiredate) hiredate
from t
group by deptno;