SQL> shutdown
ORA-01109: database not open
Database dismounted.
ORACLE instance started.
Total System Global Area 422670336 bytes
Fixed Size 1336960 bytes
Variable Size 314575232 bytes
Database Buffers 100663296 bytes
Redo Buffers 6094848 bytes
Database mounted.
ORA-01157: cannot identify/lock data file 6 - see DBWR trace file
ORA-01110: data file 6: '/bk/dba_tablespaces/ts3.dbf'
SQL> alter database open
2 ;
alter database open
*
ERROR at line 1:
ORA-01157: cannot identify/lock data file 6 - see DBWR trace file
ORA-01110: data file 6: '/bk/dba_tablespaces/ts3.dbf'
SQL> alter database datafile '/bk/dba_tablespaces/ts3.dbf' offline drop;
Database altered.
SQL> alter database open
2 ;
alter database open
*
ERROR at line 1:
ORA-01157: cannot identify/lock data file 9 - see DBWR trace file
ORA-01110: data file 9: '/bk/dba_tablespaces/ts6.dbf'
SQL> alter database datafile '/bk/dba_tablespaces/ts6.dbf' offline drop;
Database altered.
SQL> alter database open
2 ;
Database altered.
ORA-01109: database not open
Database dismounted.
ORACLE instance shut down.
ORACLE instance started.
Total System Global Area 422670336 bytes
Fixed Size 1336960 bytes
Variable Size 314575232 bytes
Database Buffers 100663296 bytes
Redo Buffers 6094848 bytes
Database mounted.
ORA-01157: cannot identify/lock data file 6 - see DBWR trace file
ORA-01110: data file 6: '/bk/dba_tablespaces/ts3.dbf'
SQL> alter database open
2 ;
alter database open
*
ERROR at line 1:
ORA-01157: cannot identify/lock data file 6 - see DBWR trace file
ORA-01110: data file 6: '/bk/dba_tablespaces/ts3.dbf'
SQL> alter database datafile '/bk/dba_tablespaces/ts3.dbf' offline drop;
Database altered.
SQL> alter database open
2 ;
alter database open
*
ERROR at line 1:
ORA-01157: cannot identify/lock data file 9 - see DBWR trace file
ORA-01110: data file 9: '/bk/dba_tablespaces/ts6.dbf'
SQL> alter database datafile '/bk/dba_tablespaces/ts6.dbf' offline drop;
Database altered.
SQL> alter database open
2 ;
Database altered.