Week7 Discussion1 – An Example of a Relationship Type with Attributes in ER Modeling
Provide an example of a relationship type with attributes. Draw an ER model showing your answer.
Answer these questions providing support for your answers, comment on the responses of others, and reflect on your experience and what you learned.
Week7 Assignment1 – ER Diagram for an IT Training Database
You are required to create a conceptual data model of the data requirements for a company that specializes in IT training. The Company has 30 instructors and can handle up to 100 trainees per training session. The Company offers five advanced technology courses, each of which is taught by a teaching team of two or more instructors. Each instructor is assigned to a maximum of two teaching teams or may be assigned to do research. Each trainee undertakes one advanced technology course per training session.
(a) Identify the main entity types for the company.
(b) Identify the main relationship types and specify the multiplicity for each relationship. State any assumptions you make about the data.
(c) Using your answers for (a) and (b), draw a single ER diagram to represent the data requirements for the company.
Deliverables:
Your answers should be 2-3 pages in length, follow the APA format, and free of grammatical and spelling errors.
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