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report because we are seeking details from the persons who are involved with the daily tasks. Forms The forms, which represent paperwork between the enterprise and external partners, or between internal departments, should be scrutinized. They can reveal a massive amount of data, even if further analysis shows unused, imprecise, or redundant data. Many organizations suffer from the form disease ……………………………a tendency to use too many paper or screen forms and to produce too complex forms. Nonetheless, if we are able to look at the forms currently used to convey information about the car inventory or car sales, for example, a purchase order from the car dealer to the manufacturer, we might find on these forms essential data about the purchase that will be useful to complete our data collection. Existing Computerized Systems The car dealer has already started sales operations a number of years ago. To support these sales, they were probably using some kind of computerized system, even if this could have been only a spreadsheet. This pre-existing system surely contains interesting data elements. We should try to have a look at this existing information system, if one exists, and if we are allowed to. Regarding the data structuring process itself, we can learn about some data elements that are not seen on the paper forms. Also, this can help when the time comes to implement a new system by easing transition and training. Interviews The goal for conducting interviews is to learn about the vocabulary pertaining to the studied system. This book is about data structures, but the information gathered during the interviews can surely help in subsequent activities of the system’s development like coding, testing, and refinements. Interviews are a critical part of the whole process. In our example, a customer asked for a system about car sales and inventory tracking. At this point, many users cannot explain further what they want. The problem is exactly this: how can I, as a developer, find out what they want? After the interview phase, things become clearer since we will have gathered data elements. Moreover, often the customer who ordered a new system does not grasp the data flow’s full picture; it might also happen that this customer won’t be the one who will work with all aspects of the system, those which are more targeted towards clerical persons.
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