---

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.

---

出自：Oracle认证

显示答案