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Write down if the following sentences are true or false.  a. A database system includes both DBMS software and the data. b. A multi-valued attribute is composed of several components where the composition may form a hierarchy. c. A key attribute may be composite.

Write down if the following sentences are true or false.  a. A database system includes both DBMS software and the data. b. A multi-valued attribute is composed of several components where the composition may form a hierarchy. c. A key attribute may be composite.

Computer Networking: A Top-Down Approach (7th Edition)
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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Write down if the following sentences are true or false. 

a. A database system includes both DBMS software and the data.
b. A multi-valued attribute is composed of several components where the composition may
form a hierarchy.
c. A key attribute may be composite.
d. A recursive relationship is when two different entity types participate in a relationship in
distinct roles.
e. Generalization is the process of defining a set of subclasses of a superclass.
f. If a specialization is overlapping, then the same entity may be a member of more than one
subclass of the specialization.
g. If a specialization is total, then an entity of the superclass may not belong to any of the
subclasses.

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