create table hosts ( id SERIAL PRIMARY KEY, address VARCHAR(16) UNIQUE, comm VARCHAR(255), name VARCHAR(255), state VARCHAR(255), info VARCHAR(1024) ); create table services ( id SERIAL PRIMARY KEY, host_id INTEGER, port INTEGER NOT NULL, proto VARCHAR(16) NOT NULL, state VARCHAR(255), name VARCHAR(255), info VARCHAR(1024) ); create table vulns ( id SERIAL PRIMARY KEY, service_id INTEGER, name VARCHAR(255), data TEXT ); create table refs ( id SERIAL PRIMARY KEY, ref_id INTEGER, name VARCHAR(512) ); create table vulns_refs ( ref_id INTEGER, vuln_id INTEGER );