Examine the parameter setting in your database:<br /> <img src="https://nimg.ppkao.com/2018-08/yuanhao/201808011654008992.jpg?sign=535ca0ab57033f45b6a163b97ad557df&t=62d4a980" /><br /> Which statement is correct about the database?()
A、Automatic memory management is disabled because PGA_AGGREGATE_TARGET and SGA_TARGET are not set
B、The instance is started but the database will not be opened until PGA_AGGREGATE_TARGET and SGA_TARGET are set
C、The database is opened but users cannot perform transactions until PGA_AGGREGATE_TARGET and SGA_TARGET are set
D、Automatic memory management is enabled and, as per policy, 60% of the memory for System Global Area (SGA) and 40% of the memory for Program Global Area (PGA) will be distributed at startup