select <columns> from <table> A)
where <predicates>
and datecreated = (select min(datecreated)
from <table> b where b.cid = a.cid and b.pid = a.pid)At 08:14 PM 6/13/2003 -0800, you wrote:
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 -- Please see the official ORACLE-L FAQ: http://www.orafaq.net -- Author: Basavaraja, Ravindra INET: [EMAIL PROTECTED]
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-- Please see the official ORACLE-L FAQ: http://www.orafaq.net -- Author: Wolfgang Breitling INET: [EMAIL PROTECTED]
Fat City Network Services -- 858-538-5051 http://www.fatcity.com San Diego, California -- Mailing list and web hosting services --------------------------------------------------------------------- To REMOVE yourself from this mailing list, send an E-Mail message to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in the message BODY, include a line containing: UNSUB ORACLE-L (or the name of mailing list you want to be removed from). You may also send the HELP command for other information (like subscribing).
