单项选择题

You are performing the shrink operation on the SCOTT.EMP table. You want to perform the same operation on all dependent objects of the SCOTT.EMP table. What is NOT a prerequisite for the operation？（）

A. You must enable the row movement on the SCOTT.EMP table.
B. You must define the tablespace of the SCOTT.EMP table for automatic segment space management.
C. You must use the CASCADE clause in the ALTER TABLE SHRINK SPACE statement.
D. You must use the COMPACT clause in the ALTER TABLE SHRINK SPACE statement.

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A. SYSTEM tablespace
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A. when you want the data to be returned automatically in chronological order
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