This
came up a few weeks ago and as I recall there was no firm
answer.
Suggestions included summing the bytes from dba_extents
where owner != 'sys' or guessing.
I
always work on a theory of about 20-25% of the space used (i.e sum of all
the datafiles minus sum from dba_free_space)
John
-----Original Message-----
From: Chen, Bill [mailto:[EMAIL PROTECTED]]
Sent: 19 September 01 19:10
To: Multiple recipients of list ORACLE-L
Subject: export with filesize option, dump file size estimationany idea on how to estimate the export dump file size without doing an actual export (not even to /dev/null)?
the idea is to use filesize option of export utility to export db to several files.
i am aware of using pipe/split to do large export.thanks, bill
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