a. Which entity is considered a week entity set? b. What is the identification relationship for the week entity? c. What is the relationship degree of ACCTS? d. Give one example of key attribute e. Which attribute is considered a partial key attribute? f. How many entities type are there? Figure 3.22 An ER diagram for a BANK database schema BANK Name Addr Phone BRANCHES ACCTS Acct.no ACCOUNT M Balance A.C Name CUSTOMER Type BANK BRANCH (Ad Addr LOANS Lown no LOAN M LC N Branch.co Amount Type
a. Which entity is considered a week entity set? b. What is the identification relationship for the week entity? c. What is the relationship degree of ACCTS? d. Give one example of key attribute e. Which attribute is considered a partial key attribute? f. How many entities type are there? Figure 3.22 An ER diagram for a BANK database schema BANK Name Addr Phone BRANCHES ACCTS Acct.no ACCOUNT M Balance A.C Name CUSTOMER Type BANK BRANCH (Ad Addr LOANS Lown no LOAN M LC N Branch.co Amount Type
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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Transcribed Image Text:a. Which entity is considered a week entity set?
b. What is the identification relationship for the week entity?
c. What is the relationship degree of ACCTS?
d. Give one example of key attribute
e. Which attribute is considered a
partial key attribute?
f. How many entities type are there?
Figure 3.22
An ER diagram for a BANK database schema
Code
BANK
Name
Addr
Phone
BRANCHES
ACCTS
Acct no
Sen
ACCOUNT
M
A.C
N
Balance
N
Name
CUSTOMER
Type
BANK BRANCH
Addr
Addr
(Loan no
LOANS
LOAN
M
LC
Branch no
Amount
Type
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