【SQL】语句鉴赏

        Connection conn =DBUtil.getConnection();
        Statement st = conn.createStatement();
        
        String sql = "select "
                +" policy_no,"
                +" province_id,"
                +" province_name,"
                +" sale_id,"
                +" policy_address,"
                +" match_id,"
                +" matche_address,"
                +" match_probability "
                +" FROM beijing2 "
                +" into outfile ‘d:/temp/999.csv‘";
        System.out.println(sql);
        st.execute(sql);
    System.out.println("ok...");
    DBUtil.closeResource(conn, st);