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Thomas Kyte wrote:
>
> can you send more information. I ran a test in 7.1.6, 7.2.3, 7.3.3. A=
ll the
> results were identical. (btw: all versions of the database release spac=
e, all of
> them. None of them use a 'flag' delete or anything like that. That wo=
uld be
> dbase).
> =
> In each database I created a table with 5,000 ~255 character rows. I t=
hen
> analyzed the table and reported the free space/used space/allocated spa=
ce. I
> then repeatably deleted 500 rows, inserted 500 rows. I ran each test 2=
times in
> the database. Once analyzing after each insert/delete set and once an=
alyzing
> just at the beginning and the end.
> the table hit a steady state right away. There must be something else =
going on
> with your table. Could you tell us
> =
> - what it looks like (indexes and all).
> - how you insert into it.
> - how you delete from it.
> =
> I'd like to replicate your results if possible....
I've been reviewing possible sollutions (I said it happened to me with
the installation of Designer) and a probable cause is the free space
fragmentation.
Well one of the sollutions for Oracle 7.3 is to use the command =
alter tablespace <tablespace_name> coalesce This reduces the fragmentation in the tablespace.
Regards
-- =
Julio Negueruela
Telf: 941-299177 Fax: 941- 299244
Servicio Inform=E1tico
Universidad de La Rioja - Spain
mailto:julio.negueruela_at_si.unirioja.es
Received on Thu Nov 27 1997 - 00:00:00 CST