Final 4610 Question and answers correctly solved 2024
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Course
Csc
Institution
Csc
Final 4610 Question and answers correctly solved 2024 Final 4610
The number of entity types that participate in a relationship is referred to as the _______.
A cardinality
B attribute
C degree
D multiplicity - correct answer C degree
[Chapter 7] Conservation of inputs and outputs ...
Final 4610
The number of entity types that participate in a relationship is referred to as
the _______.
A cardinality
B attribute
C degree
D multiplicity - correct answer ✔C degree
[Chapter 7] Conservation of inputs and outputs to a data flow diagram process
when that process is decomposed to a lower level is referred to as _______. -
correct answer ✔balancing
The entity-relationship model is a _______ data modeling used to capture the
overall structure of data in an organization.
A conceptual
B physical
C relational
D enterprise - correct answer ✔A conceptual
In the ER model, a person, place, object, event or concept in the user
environment about which data is to be maintained is called a(n) _______. -
correct answer ✔entity
,In the ER model, a named property or characteristic of an entity that is of
interest to the organization is referred to as a(n) _______. - correct answer
✔attribute
The _______ is the number of instances of one entity that can be associated
with each instance of another entity.
A degree
B cardinality
C entity type
D permutation - correct answer ✔B cardinality
In a data model for a hospital, a patient is described either as an outpatient or
a resident patient. In this model the patient represents a _______.
A super-type
B sub-type
C hierarchical type
D relational type - correct answer ✔A super-type
In the previous hospital data model case, each patient must be either a
outpatient or a resident patient. This illustrates a case of _______
specialization
A total and disjoint
B total and overlap
C partial and disjoint
D partial and overlap - correct answer ✔A total and disjoint
, The _______ is the set of all data types and values that an attribute can
assume.
A attribute type
B cardinality
C variable
D domain - correct answer ✔D domain
[Chapter 7] Which of the following is not proper rule that governs DFD?
A No process can have only outputs.
B Data cannot move in two opposite directions between two processes.
C Data cannot move directly from one data store to another data store.
D Data cannot move directly from an outside source to a data store. - correct
answer ✔B Data cannot move in two opposite directions between two
processes.
Which of the following is not a property of relations in the relational database
model?
A Entries in cells are simple.
B Entries in columns are from the same set of values.
C Each row is unique.
D The sequence of the rows cannot be changed. - correct answer ✔D The
sequence of the rows cannot be changed.
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