1
vote
1answer
71 views

How can I set block size on Oracle 11 when creating a database instance

Is there any way to configure Oracle 11g's default block size on installation? I have tried Oracle 11g r2 and r3, during both installations block size is 8k and it is disabled (and can not be ...
0
votes
0answers
113 views

I'm unable to open a datafile in oracle, looking for a solution

I'm trying add more data into my schema, but I encounter the following error ORA-01116: error in opening database file 14 ORA-01110: data file 14: '/u01/oracle/oradata/REVA/ra_tbsp07.dbf' ORA-27041: ...
0
votes
2answers
109 views

Discover the original OS of a datafile from a oracle backup

I have just been awarded with the task of recovering a oracle database with some given datafiles. However, nobody knows from which OS this backup comes from. I have an AIX box to make the recover. Is ...
1
vote
1answer
331 views

RMAN rename datafile created in an archivelog

I'm trying to restore an Oracle database (11.2.0.4.0) to a test system with a different file layout. The production database is being backed up using RMAN, no catalog. We do a full backup of all the ...
1
vote
2answers
670 views

Oracle datafile extension .dat or .dbf

I have seen these 2 extensions used for datafiles, .dat and .dbf while creating and/or altering a tablespace. I'm not sure what the difference between the 2 extensions is, or if .dat is incorrect. ...
4
votes
2answers
3k views

Shrinking the SYSTEM tablespace in Oracle

Our SYSTEM tablespace grew out of control because of the SYS.AUD$ table. We have truncated SYS.AUD$ but the datafile is still very big (~30G). Resize doesn't work because the file contains used data ...
2
votes
1answer
679 views

Are multiple dbf files better than one?

Is it better to distribute a large database over several dbf files than over a single one?
1
vote
1answer
277 views

file not found - how to remove its configuration?

I run oracle 10.2.0.5. I have the following: SQL> select file#, status, error, recover, tablespace_name, name 2 from v$datafile_header 3 where recover='YES' 4 or (RECOVER IS NULL AND ...