UNITED STATES FOOD AND DRUG ADMINISTRATION.docx

UNITED STATES FOOD AND DRUG ADMINISTRATION.docx - IS 634...

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IS 634 Project Deliverable Requirements Deliverable 2: The As-Is Model An Entity-Relationship Diagram to model the current data entities and their relationships in the organization you are studying Please keep in mind that this deliverable is concerned with the current system, not the new system you will be designing later. The details for each of the above components are discussed below. Data Modeling The purpose here is to develop an entity-relationship diagram for your system. Here are some suggestions: 1. First identify all the entity types in your organization. These are things that the system keeps information about, not the sources, sinks, or users of that information. 2. Identify the attributes of each entity type. 3. Identify the nature of the relationships between these entities. The relationships are different than data flows. 4. Identify the cardinality of these relationships. Requirements for the Deliverable You are required to turn in the following: • An Entity-Relationship Diagram for the system.
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