No Archivelog database - Undo Data files Deleted-how open database?

I do a few tests in laboratory server.

Unforunately Undo Tablespace data files are deleted from the server.
Database is running in no archivelog Mode and I have not any any type of backup.

Last week, I did only read only work with the database. So not really concern how I is coward.

The biggest concern is how to open the database with existing data files?

Kind regards
Sumit

Published by: Sumit2 on August 27, 2009 12:57

If no active transaction or data required by one of the session to restore, then it will be difficult to recover these transactions and your database data will be in a State of incoherence. As you only read only activity you can safely recover the database.

Comment just undo tablespace and undomanagement parameters init.ora file and restart the database.

Once the database is in place create undo tablespace and assigning like default undo tablespace tablesapce.

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    Just a thought.

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