Janet,
You can only reduce the datafile by the amount of contiguous free space at
the end of the datafile. Back up your DB before you try any of this. I
never play with tablespace and datafiles without a current backup. Use
alter tablespace coalesce, then query dba_free_space, dba_data_files and
dba_segments to see how much reduction you can get. If you've got a bunch
of free space sandwiched in between used space, you're going to have to do
an export/import to reorg the tablespace and significantly reduce the
datafile size(s).
David A. Barbour
Oracle DBA, OCP
AISD
512-414-1002
Janet Linsy
<janetlinsy@ya To: Multiple recipients of list ORACLE-L
<[EMAIL PROTECTED]>
hoo.com> cc:
Sent by: Subject: free up datafile space problem
???
[EMAIL PROTECTED]
om
08/07/2001
01:40 PM
Please respond
to ORACLE-L
Hi all,
I have a data file of 2G and the free bytes is
1,413,079, the used bytes is only 683,829. I like to
resize it. When I issue:
alter database datafile
'/orafs02/oradata/PV_A0725/ld_data05.dbf' resize
1000M, I got:
ERROR at line 1:
ORA-03297: file contains used data beyond requested
RESIZE value
But apparently, the file does NOT contain data beyond
1000M. Am I missing something?
Thank you.
Janet
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