The term "____" is used to label any condition in which one or more optional relationships exist.
A) participation
B) optionality
C) cardinality
D) connectivity
Correct Answer:
Verified
Q31: A relationship is an association between _.
A)
Q37: The ERD represents the _ database as
Q38: You should always load data from the
Q39: The _ attribute(s)make up the primary key
Q40: Connectivities and cardinalities are established by business
Q41: An entity is said to be _-dependent
Q43: A _ relationship exists when two entities
Q44: _ attributes can have many values.
A) Composite
B)
Q45: A _ entity has a primary key
Q46: A _ should be a derived attribute.
A)
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