jwcolby
jwcolby at colbyconsulting.com
Thu May 29 15:09:34 CDT 2008
> ...I thought that's how everyone does it :) The bigger the company the more likely that is how it is done. John W. Colby www.ColbyConsulting.com William Hindman wrote: > ...I thought that's how everyone does it :) > > William > "The truth is incontrovertible, malice may attack it, ignorance may deride > it, but in the end; there it is." > > -------------------------------------------------- > From: "jwcolby" <jwcolby at colbyconsulting.com> > Sent: Thursday, May 29, 2008 12:19 PM > To: "Access Developers discussion and problem solving" > <accessd at databaseadvisors.com>; "VBA" <dba-vb at databaseadvisors.com>; > "Discussion of Hardware and Software issues" <dba-tech at databaseadvisors.com> > Subject: Re: [dba-VB] [AccessD] OT: Functional Testing: > CTEclassification-tree editor > >> I had a very interesting conversation with my tax guy this >> morning. He had previously worked at Lowes Hardware in >> their accounting department. >> >> The upshot of the conversation was that Lowes has to >> interface to a huge number of legacy systems, systems from >> suppliers, banks, systems from companies they purchased 10 >> years ago and inherited etc. His comment of interest is >> that in many cases they did not do testing. Or more >> correctly they threw data at the live system and looked at >> what happened, and then used a feedback loop to work around >> to what the system at the other end would accept. >> >> Sounds like poor Roz at her current assignment. >> >> I have to tell you that I have experienced this same thing. >> My disability insurance call center software has to >> interface to about 10 (so far) completely different >> insurance companies. Each company has dozens of legacy >> systems. >> >> We get "specs" for how to receive and transmit data to these >> mainframe systems. I write code to meet the spec, then we >> send data. We then get feedback from them about how to >> change the program to meet the "REAL spec" which is never >> the printed spec. Iterate until the feedback stops and they >> start accepting what we send without complaint. >> >> In one case they had specified how to output claim data that >> they wanted to enter into their system. In this one >> (admittedly extreme) case it was in a vertical report >> format, which we did. Some six months later we discovered >> that the format was designed to allow some key entry person >> to key it into their system manually, and the "report order" >> was the order that the data entry fields appeared on her screen. >> >> I got a chuckle out of that one. >> >> John W. Colby >> www.ColbyConsulting.com