题目内容

机械搅拌加速澄清池的加药位置一般在（）。

A. 进水管道中；
B.第一反应室；
C.第二反应室；
D.混合区。

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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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