………specifies the number of instances of one entity that can be associated with each instance of another.
a) multivalued attributes
b) cardinality constraints
c) entity instances
d) associative entity
The degree of relationship refers to as…..
a) number of entities
b) maximum cardinality
c) minimum cardinality
d) number of attributes
Which of the following entity cannot exist in database?
a) strong entity
b) weak entity
c) multi-value entity
d) none of these
Cardinality express……..number of entity occurrences associated with one occurrence of related entity.
a) undetermined
b) the specific
c) pre-determined
d) programmed
Which of the following might be represented with a single valued attribute?
a) person phone number
b) car’s color
c) employee educational background
d) computer processor speed
If an entity apart from one or more related entities, it is said to be independent……………
a) existence
b) relationship
c) business
d) weak
