Tag: SQLMOD

Relational database vendors stepped up to the plate DEC RDB (Relational DataBase, I know, creative) had long since provided SQLMOD. These were source modules you compiled into object form which could then be added to your site specific library and used by any application. This is one of the reasons service oriented architecture was our first solution. It was very easy to whip up a server that accepted data streams in known formats from raw TCP/IP ports and message queues then chewed on it and returned a result. The Java and Web developers began decrying, not unjustifiably, that the remote services were getting overloaded and taking too long to respond. Part of this was the volume being fed to them and the other part was “just add it here” syndrome.…

Information Technology

There is currently a lot of chatter in the IT world involving MVVM (Model-View-ViewModel). While there are merits, there are also drawbacks. One of the biggest drawbacks I’ve noticed is in the tutorials and documentation found on-line. Take a quick look at this article. Below is a quote from it. The key to remember with the model is that it holds the information, but not behaviors or services that manipulate the information. It is not responsible for formatting text to look pretty on the screen, or fetching a list of items from a remote server (in fact, in that list, each item would most likely be a model of its own). Business logic is typically kept separate from the model, and encapsulated in other classes that act on the model.…

Information Technology