I can't use PL SQL for this task. It is for a user to use from time to
time and the person is not tech savy. I am trying to dumb it down.
On Jan 7, 4:56 am, sandeep kumar <kkumar.sandee...@gmail.com> wrote:
> you can use PL SQL cursor also :)
>
> On 1/7/11, Michael Moore <michaeljmo...@gmail.com> wrote:
>
>
>
>
>
> > PS,
> > this does not cover the case where a fireman has never been called out, but
> > you didn't say you needed that. If so, let us know.
> > Mike
>
> > On Thu, Jan 6, 2011 at 2:03 PM, Michael Moore
> > <michaeljmo...@gmail.com>wrote:
>
> >> This should tell you what you need to do.
>
> >> SELECT *
> >> FROM (SELECT do.customer_id,
> >> do.order_timestamp,
> >> do.order_total,
> >> ROW_NUMBER ()
> >> OVER (PARTITION BY customer_id ORDER BY order_timestamp
> >> DESC)
> >> r_num
> >> FROM demo_orders do)
> >> WHERE r_num < 2;
>
> >> Let me know if you need further explanation.
> >> Regards,
> >> Mike
>
> >> On Thu, Jan 6, 2011 at 12:42 PM, crocboy25 <icestor...@hotmail.com> wrote:
>
> >>> Hello Group,
>
> >>> I have a table in Oracle that contains records for firemen. Each
> >>> record contains information for everytime a fireman is called out.
> >>> Each fireman has an ID(unique). What I am trying to do is pull the
> >>> first min and second min(or max)for each fireman in terms of the date
> >>> they were called out. Each fireman could be called out 100 times per
> >>> year. I want to write a query which pulls the first two times each
> >>> fireman was pulled out. I have found several different ways of doing
> >>> this but it is always for a query written to pull back just one
> >>> fireman at a time. I need it for each fireman...
>
> >>> here is a sloppy example of what the data looks like...
>
> >>> Fireman ID Called out date
> >>> 1 02/02/2010
> >>> 1 03/03/2009
> >>> 1 02/13/2009
> >>> 2 02/02/2010
> >>> 3 03/03/2005
> >>> 3 02/13/2006
> >>> 4 02/02/2006
> >>> 4 03/03/2007
> >>> 4 02/13/2010
>
> >>> I would want to pull out the 2 earliest dates for each ID
>
> >>> Here is a query for what i have done so far which doesnt work well and
> >>> I think only sort of works for just one fireman at a time:
>
> >>> SELECT *
>
> >>> FROM (SELECT
>
> >>> persons.certified_burner_num,persons.last_name,open_burn_requests.request_date,
> >>> open_burn_requests.certified_burn_flag,
> >>> open_burn_requests.acres
> >>> FROM fmis.open_burn_requests, fmis.persons
> >>> WHERE (persons.pk = open_burn_requests.by_pers_fk)
> >>> AND open_burn_requests.acres > 0
> >>> AND open_burn_requests.request_date > TO_DATE ('01/01/2006
> >>> 0:01:00', 'MM/DD/YYYY HH24:MI:SS')
> >>> AND CERTIFIED_BURNER_NUM in
>
> >>> (19870006,19870013,19870024,19870029,19870030,19870033,19870093,19870118,19870125,19870158,19870166,19870170,19870225,19870250)
> >>> order by 3)
> >>> WHERE ROWNUM<=2;
>
> >>> Any help would be great appreciated.
>
> >>> Lee
>
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>
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