text: CREATE TABLE IF NOT EXISTS section_meetings (
    id                   serial UNIQUE,
    m_name               varchar(80),
    ci_term              char(6),
    ci_name              varchar(80),
    ci_year              smallint,
    s_name               varchar(80),
    PRIMARY KEY (m_name, s_name, ci_term, ci_name, ci_year),
    FOREIGN KEY (m_name, ci_term, ci_name, ci_year) REFERENCES meetings (name, ci_term, ci_name, ci_year) ON DELETE CASCADE,
    FOREIGN KEY (s_name, ci_term, ci_name, ci_year) REFERENCES sections (name, ci_term, ci_name, ci_year) ON DELETE CASCADE
  );
  