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09.21.2005 at 03:41PM PDT, ID: 21569823
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7.4

would like better performance on backup / recovery

Asked by jrb1 in Oracle Database

Tags:

I am working in a database instance with several schemas.  I am interested in doing a backup and possibly recovery of one of the schemas.  I don't have any trouble with a full database backup recovery, but when trying to work on just one instance, it takes way too long.

The first obvious solution to this was export/import.  It is possible that the layout of database objects are changing.  So one method was to DROP USER xxxxx CASCADE.  This was taking hours, so today I first truncated all of the tables (assuming that it would reduce the REDO that would be written out) and did the DROP USER.  Well, that has been running for several hours now.  Any other ideas with this?  There is no referential integrity defined in system (foreign keys) and not many triggers, functions, or procedures.  There are over 13,000 tables, and over 6,000 views.  Each table has a primary key, and there are a few tables with additional indexes, not many.

In addition, the IMPORT has run a long time in the past.  I am trying a method recommended by Oracle where you generate a script to create the tables and a second script to create the indexes.  Then you create the tables, import the data, and then create the indexes.  Once the user has been deleted, I'll see how long this takes.  Any additional help for improving this process?

And last, what other ways do I have to improve this process?  Just general brainstorming is fine...any help is appreciated.

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Keywords: would like better performance on back…
Title
1 Redo  and Block Cleanout Process...
2 redo generation
3 Oracle database schema recovery..
4 How to delete Oracle redo logs, no re…
5 Backup & Recovery
6 ORACLE 8 MEDIA RECOVERY
 
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[+][-]09.21.2005 at 03:57PM PDT, ID: 14932838

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[+][-]09.21.2005 at 04:17PM PDT, ID: 14932963

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[+][-]09.21.2005 at 08:30PM PDT, ID: 14933947

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[+][-]09.21.2005 at 08:45PM PDT, ID: 14933996

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[+][-]09.21.2005 at 08:46PM PDT, ID: 14934001

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[+][-]09.22.2005 at 05:44AM PDT, ID: 14936102

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[+][-]09.22.2005 at 06:50AM PDT, ID: 14936621

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[+][-]09.22.2005 at 06:55AM PDT, ID: 14936672

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[+][-]09.22.2005 at 07:10AM PDT, ID: 14936822

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[+][-]09.22.2005 at 08:00AM PDT, ID: 14937310

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Tags: oracle
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Solution Provided By: markgeer
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[+][-]09.22.2005 at 08:38AM PDT, ID: 14937670

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[+][-]09.23.2005 at 01:10PM PDT, ID: 14947908

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[+][-]09.23.2005 at 01:37PM PDT, ID: 14948129

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[+][-]09.23.2005 at 02:12PM PDT, ID: 14948349

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[+][-]09.23.2005 at 06:37PM PDT, ID: 14949506

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[+][-]09.28.2005 at 06:37AM PDT, ID: 14974647

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[+][-]09.28.2005 at 06:52AM PDT, ID: 14974763

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[+][-]09.28.2005 at 12:29PM PDT, ID: 14978247

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[+][-]09.28.2005 at 03:58PM PDT, ID: 14979872

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[+][-]09.28.2005 at 04:28PM PDT, ID: 14980012

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[+][-]09.28.2005 at 09:21PM PDT, ID: 14980926

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