（420）Automatic PGA Memory Management eliminates the need to manually configure which of the following initialization parameters?(Choose all that apply.)

A. SORT_AREA_SIZE

B. HASH_AREA_SIZE

C. BITMAP_MERGE_AREA_SIZE

D. CREATE_BITMAP_AREA_SIZE

E. PGA_AGGREGATE_TARGET

答案：（A、B、C、D）

解析：

（查看各个参数的说明）