That is updating only one record.  And that one record is hard-coded
into the SQL, eg, "Where Book_Key = 'B102'.  I need to update every
record, and I can't run a separate script for each record.



On May 6, 4:46 pm, Javier Montani <jmont...@gmail.com> wrote:
> This may help:http://www.oracle-training.cc/t_garmany_easyoracle_UPDATE.htm
>
> From there:
> SQL> update
>   2    sales
>   3  set (order_date, quantity) = (select
>   4                                  SYSDATE,
>   5                                  avg(quantity)
>   6                                from sales
>   7                                where book_key = 'B102'
>   8                                group by book_key, SYSDATE)
>   9  where book_key = 'B102';
>
> 2009/5/6 Dom <dolivas...@gmail.com>
>
>
>
>
>
> > I usually work on SQL-Server.  But I'm doing pretty important work now
> > on an Oracle database, and althought the transistion was pretty
> > easy ... except for the UPDATE statement.
>
> > I was wondering if, instead of explaining what I want, I just stated
> > the UPDATE as it would be done in SQL-SERVER, and let someone
> > translate it for me, along with a brief explanation about the general
> > approach behind it.  It's a fairly complicated one, with subqueries
> > and aggregate functions.
>
> > Here is table T_Inv_Region (Patent_ID / Region_NM is unique) ------
> > Patent_ID
> > Region_NM
> > Region_Count
>
> > And here is table T_Inv (Patent_ID / Region_NM is not unique) -------
> > Patent_ID
> > Region_NM
>
> > And here is the update statement as it would be done in T-SQL: ---
> > Update      T_Inv_Region
> > Set            Region_CT = x.Region_CT
> > From         T_Inv_Region r
> >                 left join (
> >                                 Select     Patent_ID, Region_NM,
> > Count (*) as Region_CT
> >                                 From       T_Inv
> >                                 Group By Patent_ID, Region_NM
> >                             ) x on r.Patent_ID = x.Patent_ID and
> > r.Region_NM = x.Region_NM- Hide quoted text -
>
> - Show quoted text -
--~--~---------~--~----~------------~-------~--~----~
You received this message because you are subscribed to the Google
Groups "Oracle PL/SQL" group.
To post to this group, send email to Oracle-PLSQL@googlegroups.com
To unsubscribe from this group, send email to
oracle-plsql-unsubscr...@googlegroups.com
For more options, visit this group at
http://groups.google.com/group/Oracle-PLSQL?hl=en
-~----------~----~----~----~------~----~------~--~---

Reply via email to