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not sure which picture is clearer to read. computer science PERSON OFFICE PKOEFICENUM OFFICE PHONE P_IS_EMP O PIS STU EMPLOYEE PKFKI PO STUDENT PKFKIPIO EMP
not sure which picture is clearer to read.
computer science
PERSON OFFICE PKOEFICENUM OFFICE PHONE P_IS_EMP O PIS STU EMPLOYEE PKFKI PO STUDENT PKFKIPIO EMP HIRE DATE EMPS ADM EMPS PROF OFFICE NUM SU MAJOR SU TYPE FK2 @ STU TYPE FMP IS ADM O EMP IS PROF PROFESSOR ADMINISTRATOR PKFKI PUD GRADUATE PKFKI UNDERGRAD PK,FK1D PKFKI IPO ADM TITLE PROF RANK GRAD THESIS UND HOURS Answer the following questions based on the EE-R diagram. For each answer you provide, explain (with detail using course terminology/vocabulary) how you came up with your answer, using the EE-R diagram 1. What is the maximum number of employees that occupy an office? 2. The Dean wants to begin allowing employees to telework (work at home and not on campus in an office). Will the current model support this request? Why or why not? 3. Is a person required to be an employee or a student? 4. Can a person be both an employee and a student? 5. Is an employee required to be an administrator or a professor? 6. Can an employee be both an administrator and a professor? 7. Is a student required to be a graduate or undergraduate? 8. Can a student be both a graduate and an undergraduate? 9. Assuming this database model has been implemented, explain how someone would be able to tell what type of student a person is from the data. Be specific with examples! PERSON OFFICE P LNAME PFNAME PIS EMP PIS STU OFFICE NUM OFFICE PHONE P_IS_EMP O P S STU EMPLOYEE PK,FK1 PID STUDENT PKFKI PID EMP HIRE DATE EMPS ADM EMP IS PROF OFFICE NUM STU MAJOR STU TYPE EMPS ADM O EMP IS PROF @ STU TYPE ADMINISTRATOR PK FK PID PROFESSOR PK.FK1 PID GRADUATE PK,FK1 UNDERGRAD PKFKIPID ADM TITLE PROF RANK GRAD_THESIS UND HOURS Answer the following questions based on the EE-R diagram. For each answer you provide, explain (with detail using course terminology/vocabulary) how you came up with your answer, using the EE-R diagram. 1. What is the maximum number of employees that occupy an office? 2. The Dean wants to begin allowing employees to telework (work at home and not on campus in an office). Will the current model support this request? Why or why not? 3. Is a person required to be an employee or a student? 4. Can a person be both an employee and a student? 5. Is an employee required to be an administrator or a professor? 6. Can an employee be both an administrator and a professor? 7. Is a student required to be a graduate or undergraduate? 8. Can a student be both a graduate and an undergraduate? 9. Assuming this database model has been implemented, explain how someone would be able to tell what type of student a person is from the data. Be specific with examplesStep by Step Solution
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