Choose two.
You execute this command:
TRUNCATE TABLE depts;
Which two are true?
A) It drops any triggers defined on the table.
B) It retains the indexes defined on the table.
C) It retains the integrity constraints defined on the table.
D) A ROLLBACR statement can be used to retrieve the deleted data.
E) It always retains the space used by the removed rows.
F) A FLASHBACK TABLE statement can be used to retrieve the deleted data.
Answer：：BC
(解析：基本的考点。)