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多项选择题Which statements are true regarding system-partitioned tables?()

A、Only a single partitioning key column can be specified.

B、All DML statements must use partition-extended syntax.

C、The same physical attributes must be specified for each partition.

D、Unique local indexes cannot be created on a system-partitioned table.

E、Traditional partition pruning and partitionwise joins are not supported on these tables.

  • D,E
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