大家好，又见面了，我是你们的朋友全栈君。
SQL> startup ORACLE instance started.
Total System Global Area 914358272 bytes Fixed Size 2088184 bytes Variable Size 528483080 bytes Database Buffers 377487360 bytes Redo Buffers 6299648 bytes Database mounted. ORA-01157: cannot identify/lock data file 8 – see DBWR trace file ORA-01110: data file 8: ‘/var/opt/gssyneeadb/gssy_neeadb.dbf’
SQL> ALTER SYSTEM SET “_allow_resetlogs_corruption”=TRUE SCOPE=SPFILE;
System altered.
SQL> shutdown ORA-01109: database not open
Database dismounted. ORACLE instance shut down. SQL> startup mount ORACLE instance started.
Total System Global Area 914358272 bytes Fixed Size 2088184 bytes Variable Size 528483080 bytes Database Buffers 377487360 bytes Redo Buffers 6299648 bytes Database mounted. SQL> alter database datafile ‘/var/opt/gssyneeadb/gssy_neeadb.dbf’ offline drop;
Database altered.
SQL> shutdown ORA-01109: database not open
Database dismounted. ORACLE instance shut down. SQL> startup ORACLE instance started.
Total System Global Area 914358272 bytes Fixed Size 2088184 bytes Variable Size 528483080 bytes Database Buffers 377487360 bytes Redo Buffers 6299648 bytes Database mounted. Database opened. SQL>
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