Data Management Foundation C175
WGU 2025/2026 Exam Questions
Marking Scheme New Update | A+ Rated
Associative Entity - 🧠 ANSWER ✔✔An associative entity is an element of the
entity-relationship model. All relationships for the associative entity should be
many.
Attribute - 🧠 ANSWER ✔✔An attribute is a property or characteristic of an entity.
Binary relationship - 🧠 ANSWER ✔✔A binary relationship is a relationship
between two entity types.
Candidate Key - 🧠 ANSWER ✔✔Is any column or a combination of columns that
can qualify as unique key in database.
Cardinality - 🧠 ANSWER ✔✔Cardinality represents the maximum number of
entities that can be involved in a particular relationship.
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435.
TERMS OF USE. PRIVACY STATEMENT. ALL RIGHTS RESERVED 1
, Cartesian product - 🧠 ANSWER ✔✔Usually the result of a missing join condition
or a method of expanding the data of 1 table by the number of rows in the second
table.
Cascade Delete - 🧠 ANSWER ✔✔Will delete all records that reference the primary
key
column subquery - 🧠 ANSWER ✔✔Returns a single column of one or more
values.
data encryption - 🧠 ANSWER ✔✔When data is encrypted, it is changed, bit by bit
or character by character, into a form that looks totally garbled. It can and must be
reconverted, or decrypted, back to its original form to be of use.
Data normalization - 🧠 ANSWER ✔✔Is a methodology for organizing attributes
into tables so that redundancy among the non-key attributes is eliminated.
Data volatility - 🧠 ANSWER ✔✔Describes how often stored data is updated.
Data Volume Assessment - 🧠 ANSWER ✔✔Understanding of how much data will
be in a database or a table within a database
Database - 🧠 ANSWER ✔✔A database is a collection of information that is
organized so that it can easily be accessed, managed, and updated.
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435.
TERMS OF USE. PRIVACY STATEMENT. ALL RIGHTS RESERVED 2
WGU 2025/2026 Exam Questions
Marking Scheme New Update | A+ Rated
Associative Entity - 🧠 ANSWER ✔✔An associative entity is an element of the
entity-relationship model. All relationships for the associative entity should be
many.
Attribute - 🧠 ANSWER ✔✔An attribute is a property or characteristic of an entity.
Binary relationship - 🧠 ANSWER ✔✔A binary relationship is a relationship
between two entity types.
Candidate Key - 🧠 ANSWER ✔✔Is any column or a combination of columns that
can qualify as unique key in database.
Cardinality - 🧠 ANSWER ✔✔Cardinality represents the maximum number of
entities that can be involved in a particular relationship.
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435.
TERMS OF USE. PRIVACY STATEMENT. ALL RIGHTS RESERVED 1
, Cartesian product - 🧠 ANSWER ✔✔Usually the result of a missing join condition
or a method of expanding the data of 1 table by the number of rows in the second
table.
Cascade Delete - 🧠 ANSWER ✔✔Will delete all records that reference the primary
key
column subquery - 🧠 ANSWER ✔✔Returns a single column of one or more
values.
data encryption - 🧠 ANSWER ✔✔When data is encrypted, it is changed, bit by bit
or character by character, into a form that looks totally garbled. It can and must be
reconverted, or decrypted, back to its original form to be of use.
Data normalization - 🧠 ANSWER ✔✔Is a methodology for organizing attributes
into tables so that redundancy among the non-key attributes is eliminated.
Data volatility - 🧠 ANSWER ✔✔Describes how often stored data is updated.
Data Volume Assessment - 🧠 ANSWER ✔✔Understanding of how much data will
be in a database or a table within a database
Database - 🧠 ANSWER ✔✔A database is a collection of information that is
organized so that it can easily be accessed, managed, and updated.
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435.
TERMS OF USE. PRIVACY STATEMENT. ALL RIGHTS RESERVED 2
