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?
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.正确答案B
