"John W. Holmes" <[EMAIL PROTECTED]> wrote in message
> Michael Gale wrote:
> > For the UPDATES ... what would have it in theory two people hit the
> > button at the exact same time ? Would one just over write the other ...
> > cause that is fine ?
is it really OK that the second update just overwrites the first one?
Because the second update will overwrite the first one *without* knowing
about the first update and therefore without knowing about the data
resulting from the first update.
> Whatever UPDATE gets there first will execute and the other one will
> wait until it's finished to update. There won't be any contention.
> ---John Holmes...
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