select CALL_START+(to_date(to_char(trunc(sysdate),'DD/MM/RRRR
')||CALL_DURATION,'DD/MM/RRRR HH24:MI:SS')- trunc(sysdate)) result
from
dual;

Making call_duration come in the picture with any value.

Regards,
Sonty

On Apr 16, 12:37 pm, sonty <saurabh.zen...@gmail.com> wrote:
> what about this one:-
>
> select CALL_START+(to_date(to_char(trunc(sysdate),'DD/MM/RRRR
> ')||'00:02:15','DD/MM/RRRR HH24:MI:SS')- trunc(sysdate)) result from
> dual;
>
> and one thing I would like to highlight it returns date.
>
> Regards,
> Sonty
>
> On Apr 15, 5:18 pm, Iyad Bacdounes <iya...@gmail.com> wrote:
>
>
>
> > Thanks it's working,
> > as you said just math,
>
> > On 15 April 2010 14:10, Andrej Hopko <ado.ho...@gmail.com> wrote:
>
> > >  This is the first shot on problem (the simpliest way, to count this - no
> > > procedure, just math):
>
> > > SELECT TO_CHAR(CALL_START + SUBSTR(CALL_DURATION,1,2)/24 +
> > > SUBSTR(CALL_DURATION,4,2)/(24*60) + SUBSTR(CALL_DURATION,7,2)/(24*3600),
> > > 'DD/MM/YYYY HH24:MI:SS') test
> > > FROM DUAL;
>
> > > I think there may be more advanced way to compute this but this works
>
> > > Andrej Hopko
>
> > > On 15. 4. 2010 13:50, Iyad Bacdounes wrote:
>
> > > Have a nice day,
>
> > > I have the following table
>
> > >    CALL_START CALL_DURATION  15/04/2010 10:05:13 00:02:15  Date Varchar2
> > > the first column type is date
> > > the second column type is varchar2
>
> > > I have an application record every call start time & its duration
>
> > > I want to create a function or query to get the call end date&time which
> > > equal
> > > CALL_START + CALL_DURATION
>
> > > Best Regards,
> > > Iyad
>
> > > --
> > > Best Regards,
>
> > > Iyad
> > >  --
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> > --
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>
> > Iyad
>
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