In one of your online transaction processing （OLTP） applications， users are manipulating and querying a database table simultaneously. From the Segment Advisor， you find that one of the tables is highly fragmented and you want to shrink the table immediately without affecting the currently active queries. Which option would you use with the ALTER TABLE command to achieve this objective？（）
- A REBUILD
- B CASCADE
- C TRUNCATE
- D ROW MOVEMENT
- E SHRINK SPACE COMPACT
- F SHRINK SPACE CASCADE