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Consider a company database. Suppose that after the requirements collection and analysis phase, the database designers provide the following description. ● Employee Attributes: Name, Id, Address, Gender, Dob and Doj. ● Department Attributes: D_no, Name and Location. ● ● ● ● Project Attributes: P_No, Name and Location. Dependent Attributes : D_name, Gender and relationship. An employee works in only one department but can work on several projects. Every department must have one manager. One department has many projects and a project can come under at least one departments. A. Design an ER model to present the above information. B. Change the ER model to include the following: ● An employee can be a staff or a faculty. For staff employees we store position. For faculty employees we store rank. Only Faculty employees can work on projects.

Consider a company database. Suppose that after the requirements collection and analysis phase, the database designers provide the following description. ● Employee Attributes: Name, Id, Address, Gender, Dob and Doj. ● Department Attributes: D_no, Name and Location. ● ● ● ● Project Attributes: P_No, Name and Location. Dependent Attributes : D_name, Gender and relationship. An employee works in only one department but can work on several projects. Every department must have one manager. One department has many projects and a project can come under at least one departments. A. Design an ER model to present the above information. B. Change the ER model to include the following: ● An employee can be a staff or a faculty. For staff employees we store position. For faculty employees we store rank. Only Faculty employees can work on projects.

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Consider a company database. Suppose that after the requirements collection and analysis phase, the database designers provide the following description. Employee Attributes: Name, Id, Address, Gender, Dob and Doj. Department Attributes: D_no, Name and Location. ● ● ● ● Project Attributes: P_No, Name and Location. Dependent Attributes : D_name, Gender and relationship. An employee works in only one department but can work on several projects. Every department must have one manager. One department has many projects and a project can come under at least one departments. A. Design an ER model to present the above information. B. Change the ER model to include the following: An employee can be a staff or a faculty. For staff employees we store position. For faculty employees we store rank. Only Faculty employees can work on projects.
Transcribed Image Text:Consider a company database. Suppose that after the requirements collection and analysis phase, the database designers provide the following description. Employee Attributes: Name, Id, Address, Gender, Dob and Doj. Department Attributes: D_no, Name and Location. ● ● ● ● Project Attributes: P_No, Name and Location. Dependent Attributes : D_name, Gender and relationship. An employee works in only one department but can work on several projects. Every department must have one manager. One department has many projects and a project can come under at least one departments. A. Design an ER model to present the above information. B. Change the ER model to include the following: An employee can be a staff or a faculty. For staff employees we store position. For faculty employees we store rank. Only Faculty employees can work on projects.
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