delete from wf_arcs where workflow_key = :workflow_key and transition_key = :transition_key delete from wf_transition_attribute_map where workflow_key = :workflow_key and transition_key = :transition_key delete from wf_transition_assignment_map where workflow_key = :workflow_key and transition_key = :transition_key delete from wf_context_assignments where workflow_key = :workflow_key and transition_key = :transition_key delete from wf_context_transition_info where workflow_key = :workflow_key and transition_key = :transition_key delete from wf_transitions where workflow_key = :workflow_key and transition_key = :transition_key