为自己加油

You accidentally drop the CUSTOMERS table, and then recover it by using
The FLASHBACK TABLE command.
Which two statements are true about the dependent objects of the
CUSTOMERS table?

A.All the triggers associated with the table are flashed back but are disabled.
B.Materialized views that use the CUSTOMERS table are flashed back.
C.LOB segments associated with the CUSTOMERS table are flashed back.
D.All the constraints defined on the table, except the referential integrity
Constraints, are flashed back.
E.Only the primary key constraint created for the table is flashed back, whereas
All other indexes must be retrieved separately.