On 17 Nov 09, at 10:41, Peter Brawley wrote:
> I often need a pattern where one record refers to the one "before"
it, based on the order of some field.
Some ideas under "Sequences" at http://www.artfulsoftware.com/infotree/queries.php
.
Thanks, Peter! What a marvellous resource!
Yo
Jan,
> I often need a pattern where one record refers to the one "before"
it, based on the order of some field.
Some ideas under "Sequences" at
http://www.artfulsoftware.com/infotree/queries.php.
PB
Jan Steinman wrote:
I often need a pattern where one record refers to the one "before
I often need a pattern where one record refers to the one "before" it,
based on the order of some field.
For example, a vehicle log, in which the field "odometer" is the
current odometer reading upon an event, such as a trip completion,
fueling, maintenance, etc. Very often one wants to cal