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BCIS 4610 FInal Question and answers correctly solved 2024

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BCIS 4610 FInal Question and answers correctly solved 2024 BCIS 4610 FInal (Ch 8-11, 13-14) Conceptual Data Modeling - correct answer Detailed model capturing organizational data structure independently of database management systems Entity-Relationship Model - correct answer Logical rep...

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  • September 4, 2024
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  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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BCIS 4610 FInal (Ch 8-11, 13-14)
Conceptual Data Modeling - correct answer ✔Detailed model capturing
organizational data structure independently of database management
systems


Entity-Relationship Model - correct answer ✔Logical representation of
entities, associations, and data elements in an organization


Entity Type - correct answer ✔Collection of entities sharing common
properties or characteristics


Attribute - correct answer ✔Named property or characteristic of an entity
relevant to the organization


Identifier - correct answer ✔Selected unique attribute identifying each
instance of an entity type


Multivalued Attribute - correct answer ✔Attribute capable of having more
than one value for each entity instance


Relationship - correct answer ✔Association between entities represented by
lines in an entity-relationship diagram


Associative Entity - correct answer ✔Entity created to represent a many-to-
many relationship between two other entities


Supertypes and Subtypes - correct answer ✔Representation of
generalization/specialization hierarchy in entity-relationship diagram

,Business Rules - correct answer ✔Constraints or conditions defining how an
organization operates in a conceptual data model


Prepackaged Database Models - correct answer ✔Standardized models
used in data modeling to expedite the design process


Candidate Key - correct answer ✔Attribute or combination uniquely
identifying each instance of an entity type


Entity Instance - correct answer ✔Single occurrence of an entity type in a
data model


Top-Down Approach - correct answer ✔Deriving data model from deep
business understanding


Bottom-Up Approach - correct answer ✔Deriving data model from specific
business documents


Entity Type Naming - correct answer ✔Naming convention for entities in data
modeling to ensure clarity and uniqueness


Attribute Naming - correct answer ✔Naming convention for attributes in data
modeling to ensure uniqueness and clarity


Entity Instance Creation - correct answer ✔Single occurrence of an entity
type in a data model

, Entity-Relationship Modeling - correct answer ✔Detailed representation of
entities, associations, and data elements in an organization


Data Flow Diagram - correct answer ✔Diagram representing the flow of data
in a system, ensuring data model consistency


Repeating Group - correct answer ✔Set of logically related multivalued
attributes


Required Attribute - correct answer ✔Attribute needing a value for every
entity instance


Optional Attribute - correct answer ✔Attribute not requiring a value for every
entity instance


Composite Attribute - correct answer ✔Attribute with meaningful component
parts


Derived Attribute - correct answer ✔Attribute value computed from related
attributes


Degree - correct answer ✔Number of entity types in a relationship


Minimum Cardinality - correct answer ✔Minimum number of entity B
instances associated with entity A


Maximum Cardinality - correct answer ✔Maximum number of entity B
instances associated with entity A

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