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BCIS 4610 SOCRATIVE Question and answers already passed 2024

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BCIS 4610 SOCRATIVE Question and answers already passed 2024 BCIS 4610 SOCRATIVE Which of the following is not proper rule that governs DFD? - correct answer Data cannot move in two opposite directions between two processes. The entity-relationship model is a _______ data modeling used to ...

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  • September 4, 2024
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BCIS 4610 SOCRATIVE
Which of the following is not proper rule that governs DFD? - correct answer
✔Data cannot move in two opposite directions between two processes.


The entity-relationship model is a _______ data modeling used to capture the
overall structure of data in an organization - correct answer ✔conceptual


The number of entity types that participate in a relationship is referred to as
the _______. - correct answer ✔degree


The _______ is the number of instances of one entity that can be associated
with each instance of another entity. - correct answer ✔cardinality


9. 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 _______. - correct
answer ✔super-type


10. In the previous hospital data model case, each patient must be either a
outpatient or a resident patient. This illustrates a case of _______
specialization - correct answer ✔total and disjoint


11. The _______ is the set of all data types and values that an attribute can
assume. - correct answer ✔domain


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

, 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) an - 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 - correct answer ✔attribute


1. Which of the following is not a property of relations in the relational
database model? - correct answer ✔The sequence of the rows cannot be
changed.


________ is the process of converting complex data structures into simple,
stable data structures. - correct answer ✔Normalization


3. A relation is in _____ when there are no partical and transitive functional
dependendices. - correct answer ✔third normal form (3NF)


4. A _______ is an attribute that appears as a nonprimary key attribute in one
relation and as the primary key attribute in another relation. - correct answer
✔foreign key


The criteria for a relation to be in the 2nd normal form applies only when
_______. - correct answer ✔the primary key is composed of multiple
attribute


6. ________ is an integrity constraint specifying that the value of an attribute
in one relation depends on the value of the same attribute in another relation.
- correct answer ✔Referential integrity

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