Try this:

select to_date('10:20:32','hh:mi:ss') -
to_date('10:25:29', 'hh:mi:ss')
from dual
/

Viktor

--- "Nguyen, David M" <[EMAIL PROTECTED]> wrote:
> Is it possible to calculate seconds using SQL?  
> 
> For example, I'd like to subtract   these two time
> to get difference in
> seconds:
> 
> 10:20:32  -   10:25:29
> 
> Thanks,
> David
> -- 
> Please see the official ORACLE-L FAQ:
> http://www.orafaq.com
> -- 
> Author: Nguyen, David M
>   INET: [EMAIL PROTECTED]
> 
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-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.com
-- 
Author: Viktor
  INET: [EMAIL PROTECTED]

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