Check out DATE_SUB() and DATE_ADD() functions. Those are the one to do
the trick.

sherzodR


On Mon, 26 Nov 2001, Julio Faerman wrote:

>Hi !
>I have a table with 2 coluns with  time values , for example, colum START
>("2001-11-20 23:34:03" , for example) and STOP ("2001-11-21 08:34:03" , for
>example).
>Given a interval of time, say 8 AM to 8 PM, i need my query to return the
>total time between START and STOP outside this period.
>Is this possible to be done with SQL ?
>Thnx a lot !
>Julio
>
>
>
>
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