RE: From row to datafile

  • From: "Anthony Molinaro" <amolinaro@xxxxxxxx>
  • To: <oracle-l@xxxxxxxxxxxxx>
  • Date: Wed, 4 Aug 2004 17:22:08 -0400

Dennis,

  select substr(rowid,7,3) from your_table...=20

 hope that helps,
    - ant =20

-----Original Message-----
From: DENNIS WILLIAMS [mailto:DWILLIAMS@xxxxxxxxxxxxx]=20
Sent: Wednesday, August 04, 2004 5:01 PM
To: 'oracle-l@xxxxxxxxxxxxx'
Subject: From row to datafile


List - Does anyone know how to relate a database row to the datafile
where it is stored? Here is the situation: we are going to test the
recovery of a database, removing a few data files and then recovering
them from RMAN backup. These data files store image blobs out-of-line. I
would like to be able to list a few images from a particular data file
so after recovery we could retrieve those images. There are some queries
for dealing with database corruption where you can take a given file and
block and relate it back using dba_segments and sys.uet$. I'm not sure
how to work for a specific row or with out-of-line blobs. Any ideas
appreciated.


Dennis Williams
DBA
Lifetouch, Inc.

"We all want progress, but if you're on the wrong road, progress means
doing an about-turn and walking back to the right road; in that case,
the man who turns back soonest is the most progressive."=20
-- C.S. Lewis

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