Answered: according to this Class diagram, i need…

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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Question

according to this Class diagram, i need you to draw Entity–relationship diagram

Note : Please this diagram contains a 3 step

1-Conceptual ER

2-Logical ER

3-Physical ER

Thank you :)

Transcribed Image Text:1 company_id: int; company_name string; City string; company Training request string; Educational_track string; trainng_supervisor_name string; start_and_end_time date; gender string; Phone Number int; Email Address string; student_id int; student recommendation string; +Create Account() +accept_cooperation_agreement () +send_joining_requst () +login () +view_student profile () +give_Student_recommendation () 1 Accept 1..* 1.. training_request_id int; user user_id srting; user_name srting; password srting; verifyLogin () Is a student_id int; student_name string; university_id int; GPA int; level int; training request Faculty string; Major string; Branch string; work experience string; Attach CV mediumblob; student mid_report mediumblob; final_report mediumblob ; company recommendation string; +login()) +view_profile ( +Edit_profile() +Send_reports() student_id int; training_request_DATE date; Approval request string; +send_training_request () +give_Company_recommendation () +accept_training_requst_by_company ( +reject_training_request_by_company () +select_Approval_request() -Evaluate 1..* 1 send university university_id int; university_name string; company_id: int; student_id int; +login() +Accept_jouning_request.() 1..* Evaluation Evaluate_id int; student_id int; company_id int; report_Evaluation srting; 1 Evaluate +Evaluate students_by_company () +Evaluate_student_by_university ( -send-

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