I have a table with records like this
CID S TO_CHAR(DATECREATED, MESSAGE PID
--------- - -------------------- -------------------- ----------
2 N 01-feb-1974 19:45:45 service change 1 *
3 N 01-feb-1974 19:45:45 service change 1 *
3 N 01-feb-1974 21:45:45 service change 1
1 N 01-jan-1974 12:34:45 msisdn change 1 *
1 N 01-jan-1974 19:45:45 service change 1
2 N 01-jan-1974 19:45:45 service change 1
1 N 01-nov-1974 17:45:45 service change 1
1 N 01-nov-1974 19:45:45 service change 1
I want to display only the records with the *(not a value stored in the database.just
used as a marker here).
i.e the records which meet the following.
1.earliest date
2.if there are multiple occurances of records with the same cid and pid combination i
want only the record for
the combination of cid-pid and with the most earliest record(oldest time stamp).
i want to achieve this
CID S TO_CHAR(DATECREATED, MESSAGE PID
--------- - -------------------- -------------------- ----------
2 N 01-feb-1974 19:45:45 service change 1 *
3 N 01-feb-1974 19:45:45 service change 1 *
1 N 01-jan-1974 12:34:45 msisdn change 1 *
I need some help in getting the query that can get the results like that.
Thanks
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Author: Basavaraja, Ravindra
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