A constraint is defined as INITIALLY IMMEDIATE but is DISABLED. You attempt to ENABLE VALIDATE the constraintWhich two are true?

选择了： The command fails if any table row violates the constraint.、The constraint is only enforced for rows inserted or updated after enabling the constraint.

选择了： The command fails if any table row violates the constraint.、xisting rows that violate the constraint are permitte

选择了： The constraint is only enforced for rows inserted or updated after enabling the constraint.、xisting rows that violate the constraint are permitte