Maximum number of datafiles

Hi All,
We have a PROD database (Oracle Version 10.2.0.2) and in this DB a tablespace has crossed maximum number of datafiles (975 datafiles)
Any suggestions what can be done to avoid the warnings and also does this have any impact on DB performance?
Thanks and Regards,
Nick.

sybrandb wrote:
On the other hand Oracle DBAs administrating products like SAP, Peoplesoft, and Oracle Financials tear their hair out and suffer from high blood pressure, because they can't tame the beast.
(Oracle Financials even used to have no foreign keys).In standard, Peoplesoft neither has no FK. And no PK. And no trigger. And what's the issue ? You don't have to update the data outside the application or component interface.
Everything must be done is respect of the application layer.
Everything, including the database management.
As a Peoplesoft admin for the last few years, yes, I have to confirm some high blood pressure because of that management could seems "strange" (that could explain some migraine I have, thanks for linking both), but believe me, after several years, you learn how you can bypass the proprietary tool provided by the ERP and manage everything through SQL*Plus, but right, always by maintaining the ERP metamodel. And finally, the hairs are still there.
Nicolas.

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I'm trying to clone our data warehouse over an existing test instance, DMART01. Here's what I did:
1. on the data warehouse - alter database backup controlfile to trace;
2. edited the trace file to change the db name and path of the datafiles
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Maximum no. of datafile with parameter DB_FILES and size of datafile

I am working on sap 4.6C with oracle 9.2.0.7.0 and my OS is AIX 5.3
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[quote=Oracle Reference]
DB_FILES specifies the maximum number of database files that can be opened for this database. The maximum valid value is the maximum number of files, subject to operating system constraint, that will ever be specified for the database, including files to be added by ADD DATAFILE statements.
[quote=Oracle Reference]
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<quote>
1. Physical database limits
o Database files
 maximum per tablespace : on most operating systems 1022 
 maximum per database : 65533 total, further limited by the
 db_files init<SID>.ora parameter 
 Database file size: see note 129439 for OS-specifics
<quote>
This means that there is NO posibility of having MORE than 1022 files per tablespace, no matter what.
Also it is not possible to have more than 65533 files in total.
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Note 1: MAXDATAFILES is not a hardlimit in 9i either
Note 2: The limites mentioned in the note 606395 are also valid for 10g
Message was edited by:
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Message was edited by: LarryHN

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Maximum number of datafiles

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