Re: bind variable

On Jul 29, 2:44 pm, DA Morgan <damor..._at_psoug.org> wrote:
> cptkirkhwrote:
> > I have a visual basic application that uses a sql query that uses bind
> > variables to extract a result. I have noticed that i can't use bind
> > variables in a from clause. Is there anyway to pull the max of one
> > column and then another column in the table that corrsponds to that
> > row? Here is my sql query.
>
> > "select ec.ec_export_number,ec_date from event_campaign ec, " &_
> > " (select max(ec_export_number) as maxexport from
> > event_campaign" & _
> > " where EC_PURPOSE = :event_purpose AND EC_ITEM_SENT
> > = :item_sent" & _
> > " and EC_SQL = :sql_totalcount ) maxresults where " & _
> > " ec.ec_export_number = maxresults.maxexport and EC_PURPOSE
> > = :aevent_purpose AND EC_ITEM_SENT = :aitem_sent " & _
> > " and EC_SQL = :asql_totalcount"
>
> Either concatenate the column in or use DBMS_SQL.
> --
> Daniel A. Morgan
> University of Washington
> damor..._at_x.washington.edu (replace x with u to respond)
> Puget Sound Oracle Users Groupwww.psoug.org- Hide quoted text -
>
> - Show quoted text -

So you are saying do the following?

select max(ec_export_number)||ec_date from event_campaign

        where EC_PURPOSE = :event_purpose AND EC_ITEM_SENT = :item_sent

        and EC_SQL = :sql_totalcount Received on Mon Jul 30 2007 - 14:00:25 CDT