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Upgrade to 9i from 8i(8.1.6, 8.1.7)

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jpernia

Technical User
Mar 29, 2002
35
US
Hi.

Any one knows any good book about something like what we need to know in order to upgrade application from 8i to 9i..

Thanks a lot.
 
JPernia,

What specific issues are you concerned about relating to "upgrade application from 8i to 9i"? Are you a DBA responsible for reproducing schema objects from 8i to 9i? Or are you an applications developer wondering about version-migration implications for software?

If you are just concerned about your schemas' migrations, then among other options are simply exporting from 8i, then importing into 9i. Oracle is generally very good about ensuring rearward compatibility for applications.

Dave
Sandy, Utah, USA @ 21:53 GMT, 14:53 Mountain Time
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Hi,

I have similar questions about migration. Can someone suggest a good link. What are the things that we have to specifically look for? Which is easy to use and better? Upgrade assistant or import? Please suggest
 
Dash,

If you are asking strictly about migration, then I simply export schemas from the old database, and import the dump files into the new database.

As far as the tablespaces on the new database are concerned, I create them to AUTOEXTEND and to manage the extents locally (instead of the default of "dictionary managed extents"):
Code:
CREATE TABLESPACE <ts_name> DATAFILE '<path and files>' SIZE 10M
AUTOEXTEND ON NEXT 10M MAXSIZE 2000M
EXTENT MANAGEMENT LOCAL AUTOALLOCATE;

Let us know if this information is what you wanted.

[santa]Mufasa
(aka Dave of Sandy, Utah, USA)
@ 17:09 (31Jan05) UTC (aka "GMT" and "Zulu"),
@ 10:09 (31Jan05) Mountain Time

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