n an entity-relationship diagram, what does cardinality mean? 1:The data is saved concerning a single, individually identified element. 2: In a connection, he maximum number of entity instances 3:An entity's total number of primary keys 4:An entity's total amount of characteristics

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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In an entity-relationship diagram, what does cardinality mean? 1:The data is
saved concerning a single, individually identified element. 2:In a connection,
the maximum number of entity instances 3:An entity's total number of primary
keys 4:An entity's total amount of characteristics
Transcribed Image Text:In an entity-relationship diagram, what does cardinality mean? 1:The data is saved concerning a single, individually identified element. 2:In a connection, the maximum number of entity instances 3:An entity's total number of primary keys 4:An entity's total amount of characteristics
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