FROM (

                SELECT RS.* , ROWNUM RN

                FROM (    SELECT

                            A.T_SEQ,

                            A.T_NAME,

                            A.L_SEQ,

                            A.T_LEVEL,

                            A.T_PROPENSITY,

                            A.T_PURPOSE,

                            A.CURR_SEQ,

                            A.T_LECTURE_TIME,

                            B.L_SEQ,

                            B.L_NAME

                        FROM TBL_TITLE A, TBL_LESSON B

       WHERE B.L_SEQ = 1 AND

          A.L_SEQ = B.L_SEQ

       ORDER BY A.T_SEQ ASC

     ) RS

    )

  WHERE RN >= 1

  AND RN < 1

페이징 쿼리를 하는데  ORA-00918: 열의 정의가 애매합니다 라는 에러가 뜨네요..

제가 잘 몰라서 그러는데 어느부분이 잘못 됐는지 잘 이해가 안갑니다.