WGU C175 Study Notecards | 2026 UPDATE
WITH COMPLETE SOLUTION ALREADY
GRADED A+
Intersection Data - ANSWERS-It is data that describes a many-to-many
relationship.
Modality - ANSWERS-It is a minimum number of entity occurrences that can
be involved in a relationship.
One-to-one Binary Relationship - ANSWERS-It means that a single occurrence
of one entity type can be associated with a single occurrence of the other
entity type and vice versa.
Ternary Relationship - ANSWERS-Involves three different entity types.
Unique identifier - ANSWERS-It is used to uniquely identify each record in a
database table.
Attribute - ANSWERS-A property, characteristic, or fact that we know about
an entity.
"A salesperson works in one office."
What is the name of this relationship? - ANSWERS-One-to-one binary
relationship
,"A salesperson sells to many customers."
What is the name of this relationship? - ANSWERS-One-to-many binary
relationship
"A salesperson is authorized to sell many products, and a product can be
sold by many salespersons."
What is the name of this relationship? - ANSWERS-Many-to-many binary
relationship
What is the positioning and meaning for Cardinality and Modality on an E-R
model? - ANSWERS-Cardinality is the outer symbol; represents the
maximum.
Flat Files - ANSWERS-a file having no internal hierarchy
Hashed Files - ANSWERS-A file that has been encrypted for security
purposes.
Heap File - ANSWERS-An unsorted set of records.
Information - ANSWERS-The transformation of raw data into useful facts.
Punch Card - ANSWERS-A card that is perforated and can hold commands or
data.
Structured Data - ANSWERS-Information with a high degree of organization.
, Unstructured Data - ANSWERS-Information that does not have structure
(such as text)
Binary Relationship - ANSWERS-A relationship between two entity types.
Unary Relationship - ANSWERS-An associate occurrence of an entity type
with other occurrences of the same entity type.
Cardinality - ANSWERS-The maximum number of entities that can be
involved in a particular relationship.
E-R Model
*E-R = Entity - Relationship - ANSWERS-Diagram of entities together with
their attributes and the relationship among them.
Modality is the inner symbol; represents the minimum.
"A salesperson works in a minimum of one and a maximum of one office, and
an office may be occupied by or assigned to a minimum of zero and a
maximum of one salesperson." - ANSWERS-
"A salesperson may have no customers or many customers." - ANSWERS-
Describe the ER model for "Each salesperson is authorized to sell to at least
one or many products, and each product can be sold by at least one or many
salespeople." - ANSWERS-
WITH COMPLETE SOLUTION ALREADY
GRADED A+
Intersection Data - ANSWERS-It is data that describes a many-to-many
relationship.
Modality - ANSWERS-It is a minimum number of entity occurrences that can
be involved in a relationship.
One-to-one Binary Relationship - ANSWERS-It means that a single occurrence
of one entity type can be associated with a single occurrence of the other
entity type and vice versa.
Ternary Relationship - ANSWERS-Involves three different entity types.
Unique identifier - ANSWERS-It is used to uniquely identify each record in a
database table.
Attribute - ANSWERS-A property, characteristic, or fact that we know about
an entity.
"A salesperson works in one office."
What is the name of this relationship? - ANSWERS-One-to-one binary
relationship
,"A salesperson sells to many customers."
What is the name of this relationship? - ANSWERS-One-to-many binary
relationship
"A salesperson is authorized to sell many products, and a product can be
sold by many salespersons."
What is the name of this relationship? - ANSWERS-Many-to-many binary
relationship
What is the positioning and meaning for Cardinality and Modality on an E-R
model? - ANSWERS-Cardinality is the outer symbol; represents the
maximum.
Flat Files - ANSWERS-a file having no internal hierarchy
Hashed Files - ANSWERS-A file that has been encrypted for security
purposes.
Heap File - ANSWERS-An unsorted set of records.
Information - ANSWERS-The transformation of raw data into useful facts.
Punch Card - ANSWERS-A card that is perforated and can hold commands or
data.
Structured Data - ANSWERS-Information with a high degree of organization.
, Unstructured Data - ANSWERS-Information that does not have structure
(such as text)
Binary Relationship - ANSWERS-A relationship between two entity types.
Unary Relationship - ANSWERS-An associate occurrence of an entity type
with other occurrences of the same entity type.
Cardinality - ANSWERS-The maximum number of entities that can be
involved in a particular relationship.
E-R Model
*E-R = Entity - Relationship - ANSWERS-Diagram of entities together with
their attributes and the relationship among them.
Modality is the inner symbol; represents the minimum.
"A salesperson works in a minimum of one and a maximum of one office, and
an office may be occupied by or assigned to a minimum of zero and a
maximum of one salesperson." - ANSWERS-
"A salesperson may have no customers or many customers." - ANSWERS-
Describe the ER model for "Each salesperson is authorized to sell to at least
one or many products, and each product can be sold by at least one or many
salespeople." - ANSWERS-
