WGU C175/D426 DATA MANAGEMENT FOUNDATIONS OA EXAM 2
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Which statement best describes a database?
A) A collection of unrelated computer programs
B) An organized collection of data designed to be accessed and
managed
C) A physical network connection
D) A computer's operating system -ANSWER-B) An organized collection
of data designed to be accessed and managed
Which component of a relational database represents a collection of
related records?
A) Table
B) Attribute
C) Query
D) Constraint -ANSWER-A) Table
In a relational database, what does a row generally represent?
,A) An attribute
B) A relationship type
C) A record or instance of an entity
D) A database schema -ANSWER-C) A record or instance of an entity
What does a column in a relational table generally represent?
A) An attribute
B) A transaction
C) A database server
D) A relationship -ANSWER-A) An attribute
What is the primary purpose of a primary key?
A) To store duplicate records
B) To uniquely identify each row in a table
C) To sort every column alphabetically
D) To encrypt the database -ANSWER-B) To uniquely identify each row
in a table
Which characteristic should a primary key have?
, A) It should contain duplicate values
B) It should uniquely identify each record
C) It should always contain descriptive text
D) It must always be a foreign key -ANSWER-B) It should uniquely
identify each record
What is the purpose of a foreign key?
A) To uniquely identify every database
B) To establish a relationship between tables
C) To encrypt sensitive information
D) To replace all primary keys -ANSWER-B) To establish a relationship
between tables
A CUSTOMER table has CustomerID as its primary key. The ORDER table
contains CustomerID to associate orders with customers. What is
CustomerID in ORDER?
A) Candidate key only
B) Foreign key
C) Composite attribute
D) Derived attribute -ANSWER-B) Foreign key
Exam 2026 || Most Recent Exam 2026|2027 Actual Complete Real
Exam Questions And Correct Answers (Verified Answers) Already
Graded A+ | Guaranteed Success!! Newest Exam | Just Released!!
Which statement best describes a database?
A) A collection of unrelated computer programs
B) An organized collection of data designed to be accessed and
managed
C) A physical network connection
D) A computer's operating system -ANSWER-B) An organized collection
of data designed to be accessed and managed
Which component of a relational database represents a collection of
related records?
A) Table
B) Attribute
C) Query
D) Constraint -ANSWER-A) Table
In a relational database, what does a row generally represent?
,A) An attribute
B) A relationship type
C) A record or instance of an entity
D) A database schema -ANSWER-C) A record or instance of an entity
What does a column in a relational table generally represent?
A) An attribute
B) A transaction
C) A database server
D) A relationship -ANSWER-A) An attribute
What is the primary purpose of a primary key?
A) To store duplicate records
B) To uniquely identify each row in a table
C) To sort every column alphabetically
D) To encrypt the database -ANSWER-B) To uniquely identify each row
in a table
Which characteristic should a primary key have?
, A) It should contain duplicate values
B) It should uniquely identify each record
C) It should always contain descriptive text
D) It must always be a foreign key -ANSWER-B) It should uniquely
identify each record
What is the purpose of a foreign key?
A) To uniquely identify every database
B) To establish a relationship between tables
C) To encrypt sensitive information
D) To replace all primary keys -ANSWER-B) To establish a relationship
between tables
A CUSTOMER table has CustomerID as its primary key. The ORDER table
contains CustomerID to associate orders with customers. What is
CustomerID in ORDER?
A) Candidate key only
B) Foreign key
C) Composite attribute
D) Derived attribute -ANSWER-B) Foreign key
