Oracle 11G OCP 1Z0-053 431

（431）Which of the following options describes Segment Shrink?

A. Reclaims space above and below the high-water mark without using additional space

B. Moves rows to a new physical location,resetting the high-water mark,but uses additional space during the operation

C. Deallocates space above the high-water mark that is currently not in use

D. None of the above

答案：（A）

解析：

《Adminstrator's Guide》 19.3.3

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