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If employee is entity type, then smith, John is the entity………
a) field                                  

b) characteristics
c) identifier                           

d) instances

d

A meaningful association between entity type is an…….
a) entity identifier               

b) relationship type
c) relationship instances                                    
d) associative entity

b

An entity whose existence depends on another entity is called…….
a) strong                                               

b) weak
c) dependent                        

d) variant

b

An entity that associates the instances of one or more entity types and contain attributes specific to relationship……..
a) associative entity          
b) connecting entity
c) intersectional entity       

d) all of these

a

A person name, birthday, and social security number are examples of……..
a) attributes                        

b) entities
c) relationship                     
d) descriptor

a

How many types of relationships?
a) one    

b) two    

c) three 

d) four

c

Explanation: unary relationship, binary relationship, ternary relationship