We just had to reinstall NT4 due to recent crash. After that our both Oracle Instance Service and Listener disappeared, however all datafiles, contol file are exist. What do I need to do bring Oracle Database back.
1) Make sure your back files are in a safe place
2) reinstall Oracle the same way you installed it the first time. (with the same SID and instance name)
3) make sure Oracle starts up OK with a 'blank' database
4) shutdown the database
5) copy your backup files (datafiles, control files, init.ora, redo log files, etc) to their original locations
6) If this is a cold backup, then you should be able to just
start the database. It is a hot backup, then you will need to perform recovery first.
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