Please answer the following questions [9.1] Can a person be an alumnus as well a

Question

Please answer the following questions

[9.1] Can a person be an alumnus as well as a student? (yes/no) (0.5 point)

[9.2] Can a student be a research assistant as well as a teaching assistant? (yes/no) (0.5 point)

[9.3] Can a person be none of employee, alumnus, and student? (yes/no) (0.5 point)

[9.4] The class attribute is accessible from TEACHING_ASSISTANT class (Yes/no) (0.5 point)

[9.5] The ‘major_department’ attribute is accessible from the RESEARCH_ASSISTANT class (yes/no). (0.5 point)

Sex Name Salary EMPLOYEE ALUMNUS STUDENT Degrees YearDegreeMajor Percent Time GRADUATE STUDENT UNDERGRADUATE STUDENT STUDENT ASSISTANT STAFF FACULTY DegreeProgram Class Position Rank Project Course RESEARCH_ASSISTANT TEACHING ASSISTANT

Explanation / Answer

Here is my answer:

9.1 Yes, a person be an alumnus as well as a student.

9.2 no.,a student be either a research assistant or a teaching assistant.

9.3. No

9.4 yes., class attribute is accessible from TEACHING_ASSISTANT class.

9.5 yes,the ‘major_department’ attribute is accessible from the RESEARCH_ASSISTANT class.

Thank You!!

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