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The Area being Modelled is :-
A Database for Lifecycle of a Sale
William Cody says :-
Subject: Lifecycle data models
Question: I'm trying to model the lifecycle of a sale as it progresses through various stages like qualification,
getting a purchase offer, negotiation, and closing.
Each stage has explicit start & end events, approximate duration, and a set of activities that a salesperson would follow.
The key element to capture is the progression from one stage to the next.
Have you modelled that sort of process?
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