Unable to Resize datafile Oracle 9i.

Hello All,
I am facing very strange problem in our customer testbed.
The customer data file grows to till 8GB having 80 Lac records. We deleted approximately 70Lac records but we are not able to re size the data file. When i checked the free space in the file, it shows 0.
Can you please let me know how to re size the data file.
The Database server is windows server 2003 32 bit.
Thanks
With Regards
Hemant.

I dont think moving the tables to another tablespace is a solution to this issue.. when you move the tables to a different tablespace, they are going to take the same amount of space, so if you shrink the original tablespace, you may very possibly not be able to restore them in the original tablespace. The point is you need the space freed up in the table to free it up in the datafile or the tablespace.

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Unable to RESIZE datafile

I have an issue with resizing a datafile. My USERS tablespace only uses about 9.9MB but the datafile USER01.dbf is 14GB. Per [Tom Kyte|http://asktom.oracle.com/pls/asktom/f?p=100:11:0::::P11_QUESTION_ID:1065432640718] , I issue column tablespace_name format a20
column "Name" format a45
break on file_id skip 1
ttitle &1
select file_id, block_id, blocks,
       owner||'.'||segment_name "Name"
from   sys.dba_extents
where tablespace_name = upper('&1')
UNION
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order by 1,2,3From the spool file
FILE_ID BLOCK_ID BLOCKS Name
4 593 8 PLPDF.SYS_IL0000073096C00022$$
601 8 PLPDF.SYS_LOB0000073096C00025$$
609 8 PLPDF.SYS_IL0000073096C00025$$
617 8 PLPDF.PLPDF_ADD_PK
625 8 PLPDF.PLPDF_TTF_ADD_CW
*633 16776 Free*
17409 8 OE8.CUSTOMERS
17417 56 Free >
Question is how do I clean the 16776 Free blocks?? OR am I going about this the wrong way??
Thanks a bunch in advance.
Edited by: OracleNewbie828 on Aug 24, 2010 10:21 AM
Sorry ... Forget to mention. It's Oracle 10gR2 on Win2k3*

The funny thing is that the ability to move data within tablespaces has a lot to do with which version of Oracle you are running but yet you did not tell us that...
So here are some questions for you...
1) What version of Oracle do you currently run?
If 10g then check out http://download.oracle.com/docs/cd/B19306_01/server.102/b14231/schema.htm#ADMIN10161
2) What types of objects are in the tables within the tablespaces that are supported by these datafiles?
In particular I am wondering if you use LOBs, because that throws entire new perspective on things.
Regards
Tim
Edited by: Tim Boles on Aug 24, 2010 10:49 AM

Facing Problem in resizing datafile

Hi i m facing problem in resizing a datafile of size 2.5 gb, i infact import data of 2gb in this file then reorganize data in different tablespace now the used size of this datafile is 96mb , when i issue command to reduce it to 200mb it gives me error that data exist u cannot resize datafile,
tell me what should be done to resize it.
thanks

Hi,
You can create a working tablespace with a good size
CREATE TABLESPACE tbs_tmp
DATAFILE 'D:\Oracle\oradata\SID\file_tmp.dbf' SIZE 100M
EXTENT MANAGEMENT LOCAL UNIFORM SIZE 64K;
And move all segments from your tablespace TBS1 into this new tbs
(select segment_name,segment_type from dba_segments where tablespace_name = 'TBS1')
If indexes :
alter index owner.index_name rebuild tablespace tbs_tmp;
If table :
alter table owner.table_name move tablespace tbs_tmp;
Ensure that the tablespace TBS1 is empty
select segment_name,segment_type from dba_segments where tablespace_name = 'TBS1'
After what, if no row return, you can drop your first tablespace,
DROP TABLESPACE tbs1 INCLUDING CONTENTS CASCADE CONSTRAINTS;
recreate it with a goos size,
CREATE TABLESPACE tbs1
DATAFILE 'D:\Oracle\oradata\SID\file_tbs1.dbf' SIZE 100M
EXTENT MANAGEMENT LOCAL UNIFORM SIZE 64K;
and move all segment from tbs_tmp into this new tbs1
(select segment_name,segment_type from dba_segments where tablespace_name = 'TBS_TMP')
If indexes :
alter index owner.index_name rebuild tablespace tbs1;
If table :
alter table owner.table_name move tablespace tbs1;
Ensure that the tablespace TBS1 is empty
select segment_name,segment_type from dba_segments where tablespace_name = 'TBS_TMP'
If no row return, drop the working tablespace
DROP TABLESPACE tbs_tmp INCLUDING CONTENTS CASCADE CONSTRAINTS;
Nicolas.

Syntax to resize datafile in 10g

syntax to resize datafile in 10g

the reason is
in 10g if u want to create tablespace the syntax is
create tablespace table_name datafile 10M;No, actually. The syntax on how to create a tablespace is exactly the same today as it was in 1999. Create tablespace X datafile '/path/filename' size 10M.
It is, however, possible to omit both the path and size clause if you want to use Oracle Managed Files (OMF):
alter system set db_create_file_dest=/path/filename;
create tablespace X;
And then it's possible to add back the size clause if you don't like the default 100M autoextend on which OMF gives you:
create tablespace X datafile size 10M;
or
create tablespace X datafile size 10m autoextend off;
or
create tablespace X datafile size 10m autoextend on next 10m maxsize 400m;
Point is, the syntax for creating a tablespace has many different variations and options, but the basic syntax hasn't changed a bit. The other point is: what has creating a tablespace got to do with what you originally asked about, which was resizing an existing datafile?
to add datafile
alter tablespace table_name add datafile;
it will add datafile with default size and with name
according to its naming convention.Yes, but you are not obliged to let that happen.
alter system set db_create_file_dest=/path/filename;
alter tablespace X add datafile '/different/path/myownfilename' size 37M;
...you switch on OMF and then decide you don't want to use it for one particular file. The presence/existence of OMF is an addition of features if you want to use them. It doesn't take anything away from you and if you want to specify all the parts of the create or alter tablespace clause yourself, you can do so, no sweat -at which point, your syntax will look incredibly like what you would have issued in 8i or 9i days.
Analogy time: yes, today, you can build homes out of steel, concrete, carbon-reinforced composites, whereas in the 16th century you might have used timber, wattle and daub. But a house still has rooms, chimney flues, windows, doors. The house I live in would be recognisable to Shakespeare as a house. And what he lived in would be something I could live in too.
Yeah, well: maybe analogies aren't all they're cracked up to be! But the underlying truth is that Oracle gives you new features in new versions and using them can be highly convenient and useful. Nevertheless, if you understand the underlying principles,the old stuff is still there, still recognisable, still usable.
thats why i am asking for syntax to resize datafile
in 10g ,i had fired above sqls with no errors.Again, I am a little at a loss understanding why the fact that the syntax for creating a tablespace has new options should cause you to think anything weird has happened to the syntax for resizing a datafile.
As others I think have already mentioned: there always were and still remain only three ways of making a tablespace bigger:
add a datafile
resize an existing datafile
switch on autoextension of an existing datafile
alter tablespace X add datafile ['/path/filename'][size 10m];
alter database datafile '/path/filename' resize 54m;
alter database datafile '/path/filename' autoextend on [next Xm] [maxsize Ym];
None of that syntax is different from what you'd use in version 7. Yes, some commands have optional clauses -and some of the clauses which are optional in 10g were compulsory in 7 or 8. But the general syntax is identical, still.

Will resizing datafile after shrink segment minimize the rman bkp duration

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user1687821 wrote:
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