Oracle Maximum Date Query

i need assistance in creating a query
select a.job_number, a.title, a.request_date, a.completion_date, b.modification_number,b.actual_cost, b.shop_facility_percentage, d.status_date
from
survey_jobs a
left outer join survey_job_bundles b
on (a.survey_job_id = b.survey_job_id)
left outer join survey_job_status d on (b.survey_job_bundle_id = d.survey_job_bundle_id)
order by a.job_number asc, b.modification_number asc
this query produces a report that duplicates some of the rows. it does this because i am joining to a child to table that has a one to many relationship with its parent. The child table can have many dates (d.status_date). I want to pull the maximum date from this child table. I have created a max function that i was trying to plug in, but when i plug it in right under the last outer join, it reduces my report results.
here is my attempted max function
AND b.SURVEY_JOB_BUNDLE_ID = d.SURVEY_JOB_BUNDLE_ID
AND ((d.SURVEY_JOB_BUNDLE_ID IS NULL) OR
(d.SURVEY_JOB_BUNDLE_ID, d.STATUS_DATE) IN
(SELECT SURVEY_JOB_BUNDLE_ID, MAX(STATUS_DATE) FROM
SURVEY_JOB_STATUS GROUP BY SURVEY_JOB_BUNDLE_ID))
Can anyone help me with this? Thanks in advance
Edited by: 963510 on Jan 9, 2013 11:17 AM
Edited by: 963510 on Jan 9, 2013 11:22 AM
Edited by: 963510 on Jan 9, 2013 11:23 AM

GROUP BY the maximum date. You may want to then wrap that query in parentheses as an inline view and query it as an intermediate result set.
BTW: Always post a version number, Always read the FAQ and learn how to post properly ... for example using tags, Always include DDL for the table and some sample data so people can try out a solution. We do not always have time to reinvent the wheel.

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Create table student (dept number(10), dep_name varchar2(10),join_date date,years_attended number(10),end_date date);
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insert into student values (3,'I',to_date('3/7/1917','MM/DD/YYYY'),4,to_date('8/26/1987','MM/DD/YYYY'));
insert into student values (3,'D',to_date('7/28/1920','MM/DD/YYYY'),6,to_date('8/26/1945','MM/DD/YYYY'));
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1     D     1/1/1920     5     8/26/1994
2     D     8/16/1916     10     8/26/1987
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Edited by: user11872870 on Aug 2, 2011 5:29 PM
Edited by: user11872870 on Aug 2, 2011 5:36 PM

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Edited by: Frank Kulash on Aug 2, 2011 9:00 PM
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Edited by: user4587490 on Jun 15, 2011 10:17 AM
Edited by: user4587490 on Jun 15, 2011 11:16 AM

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Hope this helps,
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Please mark the answer as helpful or answered if it is so. If not, provide additional details.
Always try to provide actual or sample statements and the full text of errors along with error code to help the forum members help you better.

Oracle Maximum Date Query

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