Re: Date / Time

On Tue, Jul 10, 2001 at 05:26:09AM -0800, Sajid Iqbal wrote:

> I want to display the "time elapsed" between two dates - in days, hours,
> minutes and seconds.
>
> If I do "select date1 - date2", the result is : 12.0194907
>
> Is there a function that will turn the number of days into something more
> legible? Ideally i'd like to do ;
>
> "to_char(12.0194907,'DD:HH:MI:SS')" but obviously that won't work. Is
> there a solution other than writing a complex function myself which will
> have to * by 24, / by 60 and substr etc to get the different bits of the
> number?

using a as your value (cos it's shorter to write)

trunc(a)||':'||to_char(trunc(sysdate)+a-trunc(a), 'HH24:MI:SS')

You could get away with using
to_char(a+to_date('31-Dec-00'), 'DD:HH24:MI:SS') if you can ensure that 1 <= a < 32

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T.
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