Re: Upgrade from 5.6 => 5.7

[Emmanuel Noobadmin <centos.admin@xxxxxxxxx>]

On 9/16/11, Always Learning <centos@xxxxxxxxxxx> wrote:
> Data is generally stored once. However because of legal requirements a
> customer's invoicing name and address and delivery address will be
> copied from the customer file and permanently stored in an invoice's
> header record. This means when the customer's record details are
> changed, the invoice continues to show the original name and address
> data valid at the time of creating that invoice.
>
> Each table as a unique reference number.
>
> A simple retrieval illustration ...
>
> select * from p2 where p2ref = '$p1ref' ....
>
> select p3surname, p3forename, p3add1, p3add2, p3add3, p3add4 (etc) from
> p3 where p3customer = '$e7customer' ....
>
> select w1note from w1 where w1date = '$s5date' ....

This looks rather similar to what I am doing nowadays instead of
massive queries with sub-selects. Glad to see I'm not alone in this
direction. Hopefully this is a case of great minds think alike than
fools seldom differs! :D
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