ACADEMICIAN # employee id * title STAFF speciality # id email * first name is * last name role of * phone * TC Id OFFICE WORKER is # employee id * degree * type role of 2. supertype-subtype structure.

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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Modify the ERD, to have supertype-subtype structure
ACADEMICIAN
# employee id
* title
STAFF
# id
speciality
* first name
email
* last name
role of
* phone
* TC ld
is
OFFICE WORKER
# employee id
* degree
role of
type
e supertype-subtype structure.
is
Transcribed Image Text:ACADEMICIAN # employee id * title STAFF # id speciality * first name email * last name role of * phone * TC ld is OFFICE WORKER # employee id * degree role of type e supertype-subtype structure. is
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