Essentials of Systems Analysis and Design (6th Edition)
6th Edition
ISBN: 9780133546231
Author: Joseph Valacich, Joey George
Publisher: PEARSON
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Systems Analysis and Design
Based on your experiences in databases, select any patient clinic and create a data model
a. Construct an entity-relationship context diagram and normalize to 3rd normal form and resolve any many-to-many relationships.
Draw an Entity Relationship Diagram for the proposed system based on therequirements showing the Entities, Attributes and Cardinality between entities.
Entities and Attributes
Flavor
Attributes: FlavorID, Name, Description
Inventory
Attributes: InventoryID, FlavorID, Quantity, ReorderThreshold
Sale
Attributes: SaleID, CustomerID, FlavorID, Date, Quantity, TotalAmount
Customer
Attributes: CustomerID, Name, Email, Phone
Feedback
Attributes: FeedbackID, CustomerID, Comment, Date, Rating
Supplier
Attributes: SupplierID, Name, ContactInfo
Order
Attributes: OrderID, SupplierID, FlavorID, OrderDate, Quantity, DeliveryDate
Forecast
Attributes: ForecastID, FlavorID, PredictedDemand, Date
Relationships and Cardinality
Flavor - Inventory
One Flavor can have multiple inventory records. (1:N)
Flavor - Sale
One Flavor can be part of multiple sales. (1:N)
Customer - Sale
One Customer can have multiple sales. (1:N)
Customer - Feedback
One Customer can…
Develop/create a Decision Table and Decision Tree that represents the registration system at your school or an imaginary school. You will need to identify external entities, processes, and data stores before drawing the diagrams. P.S: I already have context diagram and the Diagram 0 DFD which are provided in the photos below.
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Essentials of Systems Analysis and Design (6th Edition)
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Enhanced Entity Relationship Model; Author: Data Science Center;https://www.youtube.com/watch?v=ocQUtXPumdQ;License: Standard YouTube License, CC-BY