单选题Examine the following command: SQL> ALTER TABLE booking SHRINK SPACE COMPACT; Which activity is performed when the preceding command is executed?（）A The shrink operation touches every block in the BOOKING tableB The high-water mark (HWM) for the BOOKIN
题目
单选题
Examine the following command: SQL> ALTER TABLE booking SHRINK SPACE COMPACT; Which activity is performed when the preceding command is executed?（）
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