You have lost all your SYSTEM tablespace datafiles (system_01.dbf and system_02.dbf) and the database has
crashed.
What would be the appropriate order of operations to correct the situation?
a. Mount the database with the startup mount command.
b. Take the SYSTEM data file offline with the alter database command.
c. Restore the SYSTEM_01.dbf data file from backup media with the required archived redo logs.
d. Restore all SYSTEM tablespace–related datafiles from backup media.
e. Issue the recover tablespace SYSTEM command.
f. Issue the recover data file SYSTEM_01.dbf command.
g. Open the database with the alter database open command.
h. Open the database with the alter database open RESETLOGS command.
A.
a, c, f, g
B.
b, d, e, h
C.
a, b, c, f, g
D.
d, a, e, g
E.
b, c, f, e, g
Explanation:
Because there is NO controlfile damaged, and there is NO PITR recover, you don’t need to use RESETLOGS
option.