A constraint in a table is defined with the INITIALLY IMMEDIATE clause. You executed the
ALTER TABLE command with the ENABLE VALIDATE option to enable the constraint that was
disabled. What are the two effects of this command? (Choose two.)
A.
It does not validate the existing data in the table.
B.
It prevents insert, update, and delete operations on the table while the constraint is in the
process of being enabled.
C.
It enables the constraint to be enforced at the end of each transaction.
D.
It fails if any existing row violates the constraint.