CREATE TABLE rr_times.articles ( id SERIAL PRIMARY KEY, translated_article_id INTEGER NOT NULL, rubric_id INTEGER NOT NULL, language VARCHAR(2) NOT NULL, country VARCHAR(2) NOT NULL, FOREIGN KEY (language, country) REFERENCES rr_times.locales (language_code, country_code) ON DELETE CASCADE, FOREIGN KEY (rubric_id) REFERENCES rr_times.rubrics (id) ON DELETE CASCADE, FOREIGN KEY (translated_article_id) REFERENCES rr_times.translated_articles (id) ON DELETE CASCADE );