connect sys as sysdba
SQL> select status from v$instance;
STATUS
————
MOUNTED
SQL> alter database open;
alter database open
*
ERROR at line 1:
ORA-01172: recovery of thread 1 stuck at block 9 of file 2
ORA-01151: use media recovery to recover block, restore backup if needed
SQL> select name from v$datafile where file#=2;
NAME
——————————————————————————–
C:\ORACLE\PRODUCT\10.2.0\ORADATA\ORCL2\UNDOTBS01.DBF
SQL> RECOVER DATAFILE ‘C:\ORACLE\PRODUCT\10.2.0\ORADATA\ORCL2\UNDOTBS01.DBF’;
Media recovery complete.
SQL> alter database open;
Database altered.
SQL> shutdown immediate
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL> startup force
regards
Mohammad Talat
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