Need Query

Hi,
I am working in oracle 9i and linux 2.4. I need a sql query.
select issuer_id, watch_id, last_update_dtm from cats_issuer_opinion ;
Table name = cats_issuer_opinion
in this table issuer_id , watch_id, last_update are three columns. values are below
1 1 20-4-2005
1 1 20-4-2005
1 2 21-4-2005
1 2 21-4-2005
1 1 22-4-2005
2 1 23-4-2005
2 2 24-4-2005
this is the table details..my question is i need a sql query that result will be
when the issuer_id = 1 at that time watch_id is changing from 1 to 2 and 2 to 1 . i need the result as how many times this is to be changed along with the date.and also when the issuer_id=2 at that time how many times the watch_id is changed from 1 to 2 and 2 to 1 along with the date.
this is for issuer_id=100
please give the detail sql query....
Cheers..

SQL> create table cats_issuer_opinion
2 as
3 select 1 issuer_id, 1 watch_id, to_date('20042005 060000','ddmmyyyy hh24miss') last_update from dual union all
4 select 1, 1, to_date('20042005 160000','ddmmyyyy hh24miss') from dual union all
5 select 1, 2, to_date('21042005 060000','ddmmyyyy hh24miss') from dual union all
6 select 1, 2, to_date('21042005 160000','ddmmyyyy hh24miss') from dual union all
7 select 1, 1, to_date('22042005 060000','ddmmyyyy hh24miss') from dual union all
8 select 2, 1, to_date('23042005 060000','ddmmyyyy hh24miss') from dual union all
9 select 2, 2, to_date('24042005 060000','ddmmyyyy hh24miss') from dual
10 /
Tabel is aangemaakt.
SQL> select issuer_id
2       , prev_watch_id watch_id_from
3       , watch_id watch_id_to
4       , last_update
5    from ( select t.*
6                , lag(watch_id) over (partition by issuer_id order by last_update) prev_watch_id
7             from cats_issuer_opinion t
8         )
9   where watch_id + prev_watch_id = 3
10 /
ISSUER_ID WATCH_ID_FROM WATCH_ID_TO LAST_UPDATE
         1             1           2 21-04-2005 06:00:00
         1             2           1 22-04-2005 06:00:00
         2             1           2 24-04-2005 06:00:00
3 rijen zijn geselecteerd.Regards,
Rob.

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I need the help very urgently. Kindly give me the solution immediately.
Edited by: msora on Feb 10, 2009 3:19 AM

msora wrote:
Thanks Ozy,
The query is using joins instead of subquery. The statistics are latest. the query is using indexes too.the optimzer_mode is all_rows.
Now, you tell me what hint i should use to optimize this query?
Thanks and Regards,
MSORAHmm, urgent, immediately, its not Support MSORA. Be patient while asking for help or if its really urgent, open an SR with support.
Your query is not able to be read. Format it using the { code }( without spaces) and post it. Also there is no such thing that you can just put any hint and query will be tuned. Trace your query with 10046 trace( search this forum for that) and paste its output here.
Aman....

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It was line # 16 that was missing. Now it looks okay.
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      INTO TAB_CNT;
   RETURN TAB_CNT;
END;And query,
SELECT TABLE_NAME, TAB_ROWS_CNT (TABLE_NAME) ROW_CNT
FROM USER_TABLES;Which gets us the count of Individual Tables for a user.
This is an just that we can do in this way also. But, use which is optimal.
Thanks,
Shankar

Need query or proc for this req

Hi,
I need a proc for the below requirement.
I will pass 3 numbers to the procedure like 1,4,5 which should result in all possible combinations of 3.
The return value from the procedure is all combinations of 1,4,5 like as below:
1,4,5
1,5,4
4,1,5
4,5,1
5,1,4
5,4,1 Edited by: Sun Vth Oracle on Jul 29, 2012 10:14 PM

Venkadesh,
I totally agree with your solution.
Perhaps just reformatting your query.
WITH t
     AS (SELECT 1 col FROM DUAL
         UNION ALL
         SELECT 4 FROM DUAL
         UNION ALL
         SELECT 5 FROM DUAL),
     tmp
     AS (SELECT DISTINCT SYS_CONNECT_BY_PATH (col, ',') str
               FROM t
         CONNECT BY LEVEL <= 3)
SELECT SUBSTR (str, 2)
FROM tmp
WHERE LENGTH (REPLACE (str, ',')) = 3;Cheers,
Manik.

Need Query

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