ORA-01157 Cannot Identify/Lock data file 4 ORA-01110 datafile 4:'/home2/oracle/oradata/orcl/temp01.dbf'Please help me. Thanks.
Since this datafile is for your temp tablespace, you have not lost any data. You can restore this file from your
backup, or you can start the database without it using these steps:
- STARTUP MOUNT (mount the database)
- ALTER TABLESPACE temp OFFLINE;
- DROP TABLESPACE temp;
- ALTER DATABASE OPEN;
- Recreate the tablespace.
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