One of your databases has archive logging enabled and RMAN backups are taken at regular intervals.
The data file for the USERS tablespace is corrupt.
Which command must you execute before starting the recovery of this tablespace?
A. STARTUP FORCE
B. ALTER TABLESPACE users OFFLINE IMMEDIATE;
C. SWITCH DATAFILE ALL;
D. ALTER TABLESPACE users OFFLINE NORMAL;
E. ALTER TABLESPACE users OFFLINE TEMPORARY;