OCP-1Z0-053-V13.02-712新题
A.Because the table did not contain migrated or chained rows
B.Because the row IDs remain the same for all rows during the shrink operation
C.Because the progress of the shrink operation is not saved in the bitmap blocks of the table
D.Because the high-water mark (HWM) did not move due to the COMPACT option that is used in the shrink operation
If you specify
COMPACT
, then Oracle Database only defragments the segment space and compacts the table rows for subsequent release. The database
does not readjust the high water mark and does not release the space immediately.
You must issue another
ALTER
TABLE
...
SHRINK
SPACE
statement later to complete the operation. This clause is useful if you want to accomplish the shrink operation in two shorter steps rather than one longer step.
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