Check for same parent and child combination

Question

hi all i am using oracle 10g. can you please help me in this issue.
how do i know if the same combination of parent and child present in the table
key value and value are the values given by user.
if the user try to create a same profile with same set of key_value and value then that should be avoided
so how to achieve that.
example profile already in the table
-- PROFILE_ID,DETAIL_ID,PARENT_DETAIL_ID,KEY_VALUE, VALUE, LAST_IND
100,               1,               NULL,                      1,              CDE,     N
100,               2,              1,                            2,              XXX,     N
100,               3,              1,                            2,              YYY,    N
100,               4,              1,                            4,              NEW,    Ynew profile by user -- it should throw an error saying that same profile already present
-- PROFILE_ID,DETAIL_ID,PARENT_DETAIL_ID,KEY_VALUE,VALUE,LAST_IND
101,               5,               NULL,                      1,              CDE,    N
101,               6,              5,                            2,              XXX,    N
101,               7,              5,                            2,              YYY,    N
101,               8,              5,                            4,              NEW,    YEdited by: DeepakDevarapalli on Dec 9, 2009 9:48 AM
Edited by: DeepakDevarapalli on Dec 9, 2009 9:59 AM

Answer 1

sir i have used your logic, each query works fine and displays the correct results below are the results.
SELECT   SUBSTR (t.ptxt, 2, LENGTH (ptxt)) profile_values
    FROM (SELECT     SYS_CONNECT_BY_PATH (rtxt, ',') AS ptxt
                FROM (SELECT key_value || '/' || VALUE AS rtxt,
                             ROW_NUMBER () OVER (PARTITION BY profile_id ORDER BY key_value,
                              VALUE) AS rnum
                        FROM sp_profile_detail
                       WHERE profile_id IN (100, 101))
               WHERE CONNECT_BY_ISLEAF = 1
          START WITH rnum = 1
          CONNECT BY rnum = PRIOR rnum + 1) t
GROUP BY ptxtresults from query 1
profile_values
1/CDE,2/XXX,2/YYY,4/111
1/CDE,2/XXX,2/YYY,4/222
SELECT   SUBSTR (s.ptxt, 2, LENGTH (ptxt)) profile_values
    FROM (SELECT     SYS_CONNECT_BY_PATH (rtxt, ',') AS ptxt
                FROM (SELECT key_value || '/' || VALUE AS rtxt,
                             ROW_NUMBER () OVER (ORDER BY key_value,
                              VALUE) AS rnum
                        FROM sp_profile_detail1)
               WHERE CONNECT_BY_ISLEAF = 1
          START WITH rnum = 1
          CONNECT BY rnum = PRIOR rnum + 1) s
GROUP BY ptxtresults from query 2
profile_values
1/CDE,2/XXX,2/YYY,4/111
but when i tried to combine both and do a minus it throws me an error .
ORA-00600: internal error code, arguments: [expcmo_strdef1], [27], [27], [], [], [], [], []
-- target
SELECT   SUBSTR (t.ptxt, 2, LENGTH (ptxt)) profile_values
    FROM (SELECT     SYS_CONNECT_BY_PATH (rtxt, ',') AS ptxt
                FROM (SELECT key_value || '/' || VALUE AS rtxt,
                             ROW_NUMBER () OVER (PARTITION BY profile_id ORDER BY key_value,
                              VALUE) AS rnum
                        FROM sp_profile_detail
                       WHERE profile_id IN (100, 101))
               WHERE CONNECT_BY_ISLEAF = 1
          START WITH rnum = 1
          CONNECT BY rnum = PRIOR rnum + 1) t
GROUP BY ptxt
MINUS
-- staging
SELECT   SUBSTR (s.ptxt, 2, LENGTH (ptxt)) profile_values
    FROM (SELECT     SYS_CONNECT_BY_PATH (rtxt, ',') AS ptxt
                FROM (SELECT key_value || '/' || VALUE AS rtxt,
                             ROW_NUMBER () OVER (ORDER BY key_value,
                              VALUE) AS rnum
                        FROM sp_profile_detail1)
               WHERE CONNECT_BY_ISLEAF = 1
          START WITH rnum = 1
          CONNECT BY rnum = PRIOR rnum + 1) s
GROUP BY ptxt