Evaluate the following statements: What are the two consequences of the above statements?（）

APartitions of PURCHASE_ORDER_ITEMS have system-generated names.

BBoth PURCHASE_ORDERS and PURCHASE_ORDER_ITEMS tables are created with four partitions each.

CPartitions of the PURCHASE_ORDER_ITEMS table exist in the same tablespaces as the partitions of the PURCHASE_ORDERS table.

DThe PURCHASE_ORDER_ITEMS table inherits the partitioning key from the parent table by automatically duplicating the key columns.

EPartition maintenance operations performed on the PURCHASE_ORDER_ITEMS table are automatically reflected in the PURCHASE_ORDERS table.