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Help recover Ora-01157 cannot identify datafile 1 on Oracle 7 Database installed on Unixware7

Help recover Ora-01157 cannot identify datafile 1 on Oracle 7 Database installed on Unixware7

Posted by PDSERVICE on Mar 02, 2017 In
User problem:
 
 
 
My Oracle 7 Database installed on Unixware7 was crached and did not started up yet displaying this error messgae : 
Ora-01157 cannot identify datafile 1, file not found!!!
the system dbf file is corrupted and i did not have a backup!!!
I checked  permission, existence of the file, system maintenance operation without finding any strange thing.
Any idea for this disaster please?
 
 
 
 
 
feedback:
 
 
 
 How about the database size ?  Can you pls upload datafile to dropbox/google drive? We can help you recover data from corrupted database  using our tool prm-dul.