No. I only said that because if you already had the value from a
previous select you could calculate the subtraction on the php and
update it directly. Yours was a valid question.
2015-08-25 2:35 GMT-03:00, hema malini <
svasa...@gmail.com>:
>
>>
>> Thank you.
>>
> Is it a select before the update is important?
>
> --
> You received this message because you are subscribed to the Google Groups
> "NotORM" group.
> To unsubscribe from this group and stop receiving emails from it, send an
> email to
notorm+un...@googlegroups.com.
> For more options, visit
https://groups.google.com/d/optout.
>