DO $$
BEGIN
  CREATE TABLE RUTA_ICMS_EXCEPCION (
       RUTAICMSEXCEPCION_ID NUMBER(7) NOT NULL,
       ORIGEN_ID            NUMBER(7) NULL,
       DESTINO_ID           NUMBER(7) NULL,
       RUTA_ID              NUMBER(7) NULL,
       INDTRIBTARIFA        NUMBER(1) NULL,
       INDTRIBTAXAEMBARQUE  NUMBER(1) NULL,
       INDTRIBPEDAGIO       NUMBER(1) NULL,
       ACTIVO               NUMBER(1) NULL,
       FECMODIF             DATE NULL,
       USUARIO_ID           NUMBER(7) NULL,
       PRIMARY KEY (RUTAICMSEXCEPCION_ID), 
       FOREIGN KEY (RUTA_ID) REFERENCES RUTA, 
       FOREIGN KEY (DESTINO_ID) REFERENCES PARADA, 
       FOREIGN KEY (ORIGEN_ID) REFERENCES PARADA
	);	
	
  CREATE SEQUENCE RUTA_ICMS_EXCEPCION_SEQ INCREMENT BY 1 START WITH 1 NOCYCLE;
  
  EXCEPTION 
    WHEN duplicate_table THEN NULL;
    WHEN duplicate_object THEN NULL;
    WHEN duplicate_column THEN NULL;
END
$$;