【单选题】View the Exhibit to examine the output produced by the following query at three different times sincethe database instance started and has experienced workloads of different capacities: SQL> SELECT s...
A.
The database instance is running with manual PGA management.
B.
The database instance is running with manual shared memory management.
C.
The database instance has the MEMORY_TARGET value set to a nonzero value.
D.
All sessions are connected to the database instance in dedicated mode, and no RMAN or parallelquery operations have been performed.