Urgent  help in backup

hai all
i am using oracle 9.0.1.1.1 in windows,
i have two tablespace & two datafile,
tablespace name is Comm1,Comm2. each tablespace have ten tables.
In comm1 tablespace one table name in employee_master. it have 100 rows.
i have backup, after that i delete 50 rows in employee_master.
i want to recover the 50 rows from my backup.
how? kindly any one tell the step by step commands.
my databse in archivelog mode, and my database is 24/7.
i want user-manage backup commands
help me urgent
senthil

Hi
I don't know if your database is really 24/7. If so I suggest you to execute a TSPITR (Tablespace Point In Time Recovery). To do that you must restore the those datafiles and archivelogs (from a backup before the corruption) that you need on a separate (new) database, recreate the controlfile, execute a rollforward (RECOVER DATABASE USING BACKUO CONTROLFILE UNTIL TIME '2006-02-27:19:30:58'). Of course you must replate the UNTIL TIME timestamp with a date before you deleted the rows.
Bye, Aron

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