Re: Need Help for an intelligent query

Thanks very much Paul.
It is exactly what I was needing.
This helps a lot.

Paul <aspscott_at_tcp.co.uk> wrote in message news:8vlugs0mb0ec57i7o1sntfcs424m6mpsgg_at_4ax.com...
> On Wed, 3 May 2000 00:09:09 +0200, "Julien Bellorgey"
> <jbellorg_at_easynet.fr> wrote:
>
> >Hello,
> >
> >Maybe this question will seem too easy to answer, but is there a way to
> >create a query that can generate values depending on the values of other
> >fields (an example is provided).
> >I know how to do it with Access, but I do not know with Oracle 7.
> >Thank you very much if somebody can help me.
> >
> >Regards,
> >
> >Julien
> >
> >-------------------------------------
> >For example:
> >
> >Table A
> >
> >Name, Age, Points
> >Jim 25 150
> >Joe 20 300
> >Scott 30 500
> >
> >For each person, the query must indicate if the points are more than 200
 or
> >not.
> >The result of the query must be :
> >
> >Jim No
> >Joe Yes
> >Scott Yes
> >
> >
>
> Try this :
>
> select
> Name,
> Decode(Sign(Points - 200), 1, 'Yes', 'No')
> from
> TableA
>
> Sign function returns :
> -1 if value is less than 0
> 0 if value = 0
> 1 if value is greater than 0
>
> Decode function is effectively an if...then...else for SQL
>
> Hope this helps.
>
> Paul
Received on Wed May 03 2000 - 00:00:00 CDT