Oracle 11G OCP 1Z0-053 245

LuiseDalian發表於2014-09-10
(245)Which statements are true regarding system-partitioned tables? (Choose all that apply.)

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.

答案:(D、E)

解析:

《Data Cartridge Developer's Guide》 8.8

System Partitioning允許你建立由多個物理分割槽組成的單個表.

System Partitioning不使用分割槽鍵,它會建立指定的分割槽數量.因此結果分割槽沒有bound(range)、values(list)、分割槽方法


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