View the Exhibit and examine the output of the query.  What do you infer from this()
A:The SGA_TARGET is a static parameter.
B:The instance is started, but the database is not yet open.
C:The server parameter file (SPFILE) was used to start the instance.
D:The SGA_TARGET parameter does not have any effect on the database instance until theSGA_MAX_SIZE parameter is specified
出自:Oracle认证