Based on Figure (a), which of the following statement is TRUE? STAFF staff_ID {pk} staff_name phone email { optional, or } HR SALES R&D HR_focus commission_rate product_focus research_exp research_area Figure (a) O A. R&D staffs will not have the basic information (i.e.: id, name, phone, and email) O B. A HR staff cannot be a Sales staff or R&D staff at the same time. OC. A staff can be a HR staff and Sales staff at the same time. O D. All the staffs are categorized into three subclasses.

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
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Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Based on Figure (a), which of the following statement is TRUE?
STAFF
staff_ID {pk}
staff_name
phone
email
{ optional, or }
HR
SALES
R&D
HR_focus
commission_rate
product_focus
research_exp
research_area
Figure (a)
O A. R&D staffs will not have the basic information (i.e.: id, name, phone, and email)
B. A HR staff cannot be a Sales staff or R&D staff at the same time.
O C. A staff can be a HR staff and Sales staff at the same time.
O D. All the staffs are categorized into three subclasses.
Transcribed Image Text:Based on Figure (a), which of the following statement is TRUE? STAFF staff_ID {pk} staff_name phone email { optional, or } HR SALES R&D HR_focus commission_rate product_focus research_exp research_area Figure (a) O A. R&D staffs will not have the basic information (i.e.: id, name, phone, and email) B. A HR staff cannot be a Sales staff or R&D staff at the same time. O C. A staff can be a HR staff and Sales staff at the same time. O D. All the staffs are categorized into three subclasses.
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