[mso] Re: ACCESS - Update Records
- From: "Peter Chiavaro" <kp@xxxxxxxx>
- To: <mso@xxxxxxxxxxxxx>
- Date: Wed, 22 May 2002 10:07:07 -0400
Dian, Cousin Charlie,
Not to confuse the issue even more, but maybe for next time we can
consider another approach. In the programs I write for my horse
clients I am more or less FORCED to do this, but what I do is
create a table called ?Billing?. In this table I keep all the
pertinent information to create an invoice or ?bill?. CustomerID,
OrderDate, ShipToName, ShipToAddress, ShipToCity, ShipToZip,
ItemID, QTY, ItemName, ItemDesc, TotalPrice, OrderEntryDate, Etc.
OK,,, at first this does NOT sound correct because you have this
SAME information in other tables and all you?re doing is keeping
redundant information?BUT? At the EXACT TIME of the order, and as
soon as the operator clicks the ?OK Button? when placing the
order, I run an Append Query that gathers the info needed for the
above table and appends it to the billing table. What this does is
FREEZES the order in time. It takes an EXACT PICTURE of the order
and stores it. NOW you can see exactly WHOM it went to, and HOW
MUCH the price was AT THAT EXACT TIME. You can customize this
table to keep any data you want to freeze.
The only thing you have to do after that is create a little
maintenance form that asks the user ?Delete Orders Older Than?
xx/xx/xx. This way they can clean up the billing table when
needed. If you don?t do this, you?ll have a table that just keeps
getting bigger and bigger.
Like I said, I am FORCED to use this method because with horses,
?most times? each horse has several owners that must be billed for
the percentage of the horse that they own. If there are 4 owners
(of the same horse), and we each own 25% of the horse, then we
each get 25% of charges billed to our account at the EXACT TIME
the order was placed. (In my case ?order? would be when the
Veterinarian did something to a horse). These horse owner people
are always buying in an out of horses or changing their
percentages. You could see how I would be sunk if I didn?t freeze
the order details. Using this method, the billing will correctly
reflect the owners? EXACT percentage at the EXACT TIME the order
was placed. (Who cares what percentage they had yesterday or what
percentage the will have tomorrow)
The only thing you have to guard against is ?The Dumb Blonde
Factor?, the user putting in today?s date when asked ?Delete
Orders Older Than? xx/xx_/xx. POOF? they?re out of business. So
what I do is MOVE (append then delete) the records into a table
called Old Billing. You can then KEY off the users input date to
maintain the ?Old Billing? table. You Just delete the records in
the ?Old Billing? table using the date they enter MINUS ONE YEAR.
This way they can NEVER loose old billing data for at least one
year.
I think in ordinary cases, you wouldn?t have to go through all of
this, but it sounds like cousin Charlie is looking to freeze the
order details, regardless of price changes made to his Items
table. Unless he is building a formal ?invoicing program? that
needs ?Invoice Numbers? my method should work just fine for him.
Peter C.
Stuart, Florida
* Kp@xxxxxxxx
-_-_-_-_-_-_-_-_-
ICQ = 412633
-----Original Message-----
Create another table with just the prices and link the
relationship to
the field with prices. Then you can change the prices, but the one
set
for any order will remain unchanged. Make it a combo box so you
can
click a drop down to easily find the current price, if there
aren't too
many or start typing and the current price will usually show up
fairly
quickly. But it'll also give you the advantage of being able to
enter a
new price if the current one isn't already in the table.
Dian Chapman
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