Code:
-- Table: public.customers
CREATE TABLE public.customers (
  customercd   serial NOT NULL,
  pass         char(32) NOT NULL,
  lnamek       varchar(20) NOT NULL,
  fnamek       varchar(20) NOT NULL,
  status       boolean NOT NULL DEFAULT true,
  /* Keys */
  CONSTRAINT customers_pkey
    PRIMARY KEY (customercd)
) WITHOUT OIDS;

CREATE INDEX customers_index01
...