ORA-01110 When trying to Open Database

ORA-01110 When trying to Open Database

ALTER DATABASE OPEN
*
ERROR at line 1:
ORA-01194: file 1 needs more recovery to be consistent
ORA-01110: data file 5: ' /u01/test/users02.dbf'

This Error Maybe Appear On Different Database Files Because DBF Not Exists .

Solution
1-Restore From Rman if its Not Found .

Or

SQL> select file#,name, status from v$datafile where file#=5;
FILE# NAME STATUS
———- ————————————————- ———–
5 /u01/test/users02.dbf ONLINE

SQL>
SQL> alter database datafile ‘/u01/test/users02.dbf’ offline drop;
Database altered.

SQL> alter database open;
Database altered.
SQL>