1 CREATE SEQUENCE trackbacks_id_seq
;
2 CREATE TABLE trackbacks (
3 tb_id
NUMBER PRIMARY KEY,
4 tb_page
NUMBER(8) REFERENCES page(page_id
) ON DELETE CASCADE,
5 tb_title
VARCHAR(255) NOT NULL,
6 tb_url
VARCHAR(255) NOT NULL,
10 CREATE INDEX tb_name_page_idx
ON trackbacks(tb_page
);