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單項選擇題

View the Exhibit and examine the properties of the TT tablespace. 

Using Database Control， you have scheduled a job to shrink the TRANS table residing on the TT tablespace. The job would run at 5：00 p.m. every Friday.When you examine the space usage of the table after the completion of the job， you find that the table has not been shrunk. 
What could have been the reason for this？（）

A.The tablespace that contains the TRANS table is online.
B.The tablespace that contains the TRANS table is permanent.
C.The tablespace that contains the TRANS table is locally managed.
D.The segment space management of the tablespace that contains the TRANS table is manual in nature.

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