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Home -> Community -> Mailing Lists -> Oracle-L -> RE: Unused column names
Chaim,
Have you looked at the USER_UNUSED_COL_TABS or DBA_UNUSED_COL_TABS view?
Tom Mercadante
Oracle Certified Professional
-----Original Message-----
From: Katz.C_at_forces.gc.ca [mailto:Katz.C_at_forces.gc.ca]
Sent: Friday, September 24, 2004 10:27 AM
To: lex.de.haan_at_naturaljoin.nl; oracle-l_at_freelists.org
Subject: RE: Unused column names
Lex,
You've answered my question. To answer yours: we had an import that failed
with an "imp-00020 long column too large for column buffer error". The
export had no long columns but there was a note on metalink that pointed to
unused columns (and directmode export) as a possible explanation. Sure
enough the database that provided the export file had a table with unused
columns.
We're a distributed environment with more than a couple of sites. Only one
site has the unused columns. That triggered the dilbert syndrome which
resulted in my question to the list... chaim
http://www.learntorah.net
-----Original Message-----
From: Lex de Haan [mailto:lex.de.haan_at_naturaljoin.nl]
Sent: Friday, September 24, 2004 10:02 AM
To: Katz.C_at_forces.gc.ca; oracle-l_at_freelists.org
Subject: RE: Unused column names
Chaim,
why would you like to know them? those columns are lost forever anyway, except when using regular recovery techniques -- but then the names come back with the recovery :-)
Kind regards,
Lex.
-----Original Message-----
From: oracle-l-bounce_at_freelists.org [mailto:oracle-l-bounce_at_freelists.org]On
Behalf Of Katz.C_at_forces.gc.ca
Sent: Friday, September 24, 2004 14:38
To: oracle-l_at_freelists.org
Subject: Unused column names
is it possible to identify the original names of columns that are no longer used (as in ALTER TABLE SET UNUSED COLUMN cname)?
thanks,
chaim
http://www.learntorah.net
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Received on Fri Sep 24 2004 - 09:46:17 CDT
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