Titlebook: Beginning Database Design; From Novice to Profe Clare Churcher Book 2007 Clare Churcher 2007 Access.SQL.database.database design.databases.

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Fatih Yilmaz,Yunus Emre Yuksel,Murat Ozturkhey understand the problem completely. There are two things we need to do: understand what tasks all the people who will use the system need to carry out and then figure out what data we will need to store to support them. Use cases and class diagrams as shown in Figure 3-1 are a great way to start to consolidate our understanding of a problem

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Eldan Cohen,J. Christopher Beck and complexities about the real-world problem. We then looked at a number of situations that occur in many models in the hope that these would be useful when difficult situations arose in other contexts

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核心

Developing a Data Model,t deal can be learned about a problem by questioning some of the details of simple relationships, particularly the number of objects involved at each end of a relationship. In this chapter, you’ll be introduced to a few problems that frequently occur in order to enlarge your armory for attacking tricky situations

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