Varis selects de uma só vez (RESOLVIDO)

public void excluirCadastro() {
    try {

        String SQL = "delete from com where id_mod = ?"
                + "delete from model where id_mod= ?"
                + "delete from model_org where id_mod = ?"
                + "delete from model_gon where id = ?";


        PreparedStatement pst = conexao.conn.prepareStatement(SQL);
        pst.setInt(1, Integer.parseInt(TxtId.getText()));
        pst.execute();

        JOptionPane.showMessageDialog(null, "Deletado com sucesso!");
    } catch (SQLException error) {
        JOptionPane.showMessageDialog(null, error);
    }
}