unable to open database because of corrupt file

dba.stackexchange https://dba.stackexchange.com/questions/282556

  •  13-03-2021
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Question

when ever i try to open my database i get an error saying

SQL> alter database open;
alter database open
*
ERROR at line 1:
ORA-01147: SYSTEM tablespace file 13 is offline
ORA-01110: data file 13: '/oradata/obvs/entry_data02.dbf'


SQL>

i dont mind if the data file is deleted as this is my test server i have a production server as well i think what i can do is transfer all data from prod to test but i have no idea how to do this however if there is a simple fix for this i can apply would be great

No correct solution

OTHER TIPS

You need to create another oracle instance first via DBCA or saved DBCA SQL scripts. That process will create SYSTEM tablespace, its data files, as well as the schema user, by default, sys and system. Then you use imp or SQL Loader utility to load your data to the newly created oracle instance, depending on what format the data was saved before. Your production system tablespace data files cannot be used in your test instance. They have different SCN number.

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