Read the docs for the database in question. They will tell you what is and is not 
allowed.
Miles Thompson

On Friday 28 December 2001 06:26 pm, Todd Williamsen wrote:
> Ok....
>
> So to update a record lets say...
>
> I have a current value of 150 and the new value will be 250 now how would I
> total them to equal 400?
>
> I was thinking
>
> $sql = "UPDATE $table value1 =  value1 + ?
>
> is that correct?  how do you update it with simple math?
>
> What about division...
>
> take the current value in the database + the new value divided by another
> number, lets say another field

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