-- DROP TABLE public.tb4;

CREATE TABLE public.tb4
(
    n1 integer,
    n2 integer
)

TABLESPACE pg_default;

ALTER TABLE public.tb4
    OWNER to postgres;



-- DROP SEQUENCE public.tb4_seq;

CREATE SEQUENCE public.tb4_seq
    INCREMENT 1
    START 1
    MINVALUE 1
    MAXVALUE 2147483647
    CACHE 1;

ALTER SEQUENCE public.tb4_seq
    OWNER TO postgres;

insert into tb4(n1,n2) select nextval('tb4_seq'), currval('tb4_seq');
insert into tb4(n1,n2) select nextval('tb4_seq'), currval('tb4_seq');
insert into tb4(n1,n2) select nextval('tb4_seq'), currval('tb4_seq');