From what I've heard, temporary tablespaces based on temporary files locally
managed have the following behavior..

They don't de-allocate extents necessarily, otherwise there would be overhead in
using them again, (just a bitmap after all)   (I am using 8.1.7 on AIX 4.3.3) 

So questions:
1) How do I see these allocated extents? dba_free_space isn't much help.   
dba_extents doesn't seem to be any help either. Neither does dba_segments.

I already know I can see things in action with v$sortsegment etc.,  but I was
under the impression that I once a temp extent was allocated (24x7 system).. it
stayed that way.   How can I see these?  I'm curious for a high water mark
(after a Discoverer install).. 

Of course, maybe smon really does clear them up at some point and they are all
gone as I am looking at these views.

Anyone want to chime in?
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Author: Doug C
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