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Examine the following command:   SQL> ALTER TABLE booking SHRINK SPACE COMPACT;   Which activity is performed when the preceding command is executed?()

发布日期:2020-04-10

Examine the following command:   SQL> ALTER TABLE ...
A

The shrink operation touches every block in the BOOKING table

B

The high-water mark (HWM) for the BOOKING table is shifted from its original position

C

The progress of the shrink operation is saved in the bitmap blocks of the BOOKING table

D

The data manipulation language (DML) triggers on the BOOKING table are executed because the shrink operation is internally handled by the INSERT/DELETE operation

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