i have this error when trying to open oracle database :ORA-01110: data file 1: '/oracle/DEV/sapdata1/system_1/system.data1'

SQL> alter database open resetlogs;
alter database open resetlogs
*
ERROR at line 1:
ORA-01194: file 1 needs more recovery to be consistent
ORA-01110: data file 1: '/oracle/DEV/sapdata1/system_1/system.data1'


SQL> ^CORA-01110: data file 1: '/oracle/DEV/sapdata1/system_1/system.data1
mibrahim1980Asked:
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johnsoneSenior Oracle DBACommented:
Self explanatory.  You need to recover the data file until it is consistent with all the other data files.  Usually this requires the recovery of all files as the error message just indicates the first file it finds that is inconsistent.

A reset logs allows  you to stop a recovery and bring the database up in its current state.  It is used in an incomplete recovery.  All the files still need to be consistent with each other.

My guess is that you have restored some sort of hot backup.  At a minimum you need to apply all the archives that were generated during the backup.  At that point the files should be consistent and the resetlogs will work.
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Geert GOracle dbaCommented:
you might need the "until cancel". There is an error in the docs somewhere when restoring.

recover database using backup controlfile until cancel;

> cancel

alter database open resetlogs;
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Steve WalesSenior Database AdministratorCommented:
This question has been classified as abandoned and is closed as part of the Cleanup Program. See the recommendation for more details.
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