You are administering a multitenant container database (COB) that contains two pluggable databases (PDBs), pdb1 and pdb2. You are connected to pdb2 as a common user with DBA privileges. The statistics_level parameter is PDB modifiable. As the user sys, execute the following command on pdb2: SQL> ALTER SYSTEM SET STATISTICS_LEVEL=ALL SID=`*` SCOPE=SPFILE; Which statement is true about the result of this command? 

Answer options:

A. The statistics_level parameter is set to all when any of the PDBs is reopened.
B. The statistics_level parameter is set to all only for PDB2 when it is reopened.
C. The statistics_level parameter is set to all when the root database is restarted.
D. The statement is ignored because there is no SPFILE for a PDB.

B