What are the disadvantages of using delete vectors to identify records marked for deletion?
(Select two.)

A.
Delete vectors are stored in a different location, minimizing storage impact.

B.
Delete vectors rewrites files, causing additional overhead.

C.
Delete vectors must be recognized during the query process to remove records marked for
deletion from the result set, slowing down the processing of a query.

D.
Delete vectors do not instantly reclaim space used by deleted records.

E.
Delete vectors must be maintained forever.

Explanation: