Evaluate these statements:
Which two statements are true?
A. Partitions of purchase_order_items are assigned unique names based on a sequence.
B. The purchase_orders and purchase_order_items tables are created with four partitioneach.
C. purchase_order_tems table partitions exist in the same tablespaces as the purchase_orders table partitions.
D. The purckase_order_:teks table inherits the partitioning key by duplicating the key columns from the parent table.
E. Partition maintenance operations on the purchase_order_items table require disabling the foreign key constraint.
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