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.正确答案BThe 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.
