SYSTEMS ANALYSIS AND DESIGN [2242-INSY-3305]Spring 2024 | Instructor: Atieno A. AmadiAssignment-3 Logical Data ModelInstructions:Draw a logical data model

SYSTEMS ANALYSIS AND DESIGN [2242-INSY-3305]Spring 2024 | Instructor: Atieno A. AmadiAssignment-3 Logical Data ModelInstructions:Draw a logical data model (ERD) for the Picnics R US case [Refer to ‘Assignment#1’ and‘Assiignment#2’ on Canvas under ‘Assignments’]Guidelines:A data model describes the data that flow through the business processes in anorganization. It represents the logical [rather than physical] organization of data]. Lateron in the system development process, the data model is changed to reflect exactly howthe data will be stored in databases and files.Hints:Whereas a process model (DFD) represents how the business system will operate, adata model (ERD) represents how the data that flow through the processes areorganized and presented. A data model is a formal way of representing the data that areused and created by a business system. Data stores of the DFD generally correspond toentities of the ERD: Identify the entities Add appropriate attributes for each entity Draw the relationships that connect associated entities Check the process models for data stores, external entities, and data flows Check the major inputs and outputs from the use cases Identify attributes of the entity that are relevant to the system under development Check the process model repository entries for details on data flows anddata stores Check the data requirements of the requirements definition Select each entity’s candidate identifier Start with an entity and identify all entities with which it shares relationships Determine the cardinality and modality of the relationships 

Share This Post

Email
WhatsApp
Facebook
Twitter
LinkedIn
Pinterest
Reddit

Order a Similar Paper and get 15% Discount on your First Order

Related Questions

The Patient Protection and Affordable Care Act (PPACA) requires that U.S. citizens and legal residents obtain qualifying health coverage. Write a report of

The Patient Protection and Affordable Care Act (PPACA) requires that U.S. citizens and legal residents obtain qualifying health coverage. Write a report of 5–7 pages that explores the individual mandate section of this health reform law and how current legislation impacts this. Complete the following: Explain the individual mandate included in

The United States created Medicaid—a publicly funded healthcare program—to assist people in obtaining healthcare services. Write a paper of 5–7 pages that

The United States created Medicaid—a publicly funded healthcare program—to assist people in obtaining healthcare services. Write a paper of 5–7 pages that explores Medicaid and the Children’s Health Insurance Program (CHIP) and that addresses the following: What legislation introduced Medicaid, and what are the funding sources for the program? What are