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8.6

I need to create a select with both a group by max date and using a where clause.

Asked by jpl-AbDev in PL / SQL, Oracle 8.x

Tags: PL-SQL, Oracle 8i

Given a example table:
1, 09-21-2008, r01
1, 09-14-2008, r12
1, 07-23-2008, r06
2, 09-22-2008, r08
2, 01-25-2006, r01
3, 11-11-2005, r07
3, 11-13-2007, r03

I would like to retrieve one record for each ID with the max date for that ID. So given the example table I would want to get back three records, one for each ID with the max date for that ID. I have added the code I tried using but it is bringing back a record for each region and ID. I only want the latest ID for each given ID. 
1:
2:
3:
4:
5:

SELECT DISTINCT csh.case_gen_nbr, MAX (csh.status_date) statdate,
                          csh.org_code_r reg
                     FROM case_status_hists csh
                    WHERE SUBSTR (csh.org_code_r, 1, 1) = 'R'
                 GROUP BY csh.case_gen_nbr, csh.org_code_r
[+][-]10/06/08 09:20 AM, ID: 22651678Expert Comment

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[+][-]10/07/08 03:36 PM, ID: 22664590Accepted Solution

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Zones: PL / SQL, Oracle 8.x
Tags: PL-SQL, Oracle 8i
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Solution Provided By: mmoore
Participating Experts: 3
Solution Grade: A
 
[+][-]10/08/08 03:23 AM, ID: 22667508Author Comment

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[+][-]10/09/08 06:30 AM, ID: 22678140Author Comment

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