WGU C175/D426 DATA MANAGEMENT FOUNDATIONS OA Exam Actual 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!!

WGU C175/D426 DATA MANAGEMENT FOUNDATIONS OA Exam
Actual 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 type of key is a single column in a table used to identify a row?


Super key
Simple primary key
Foreign key
Composite primary key -ANSWER-Simple primary key


Which type of key is often represented by parentheses to show
multiple columns?


Composite
Simple
Unique
Foreign -ANSWER-Composite


Which primary key characteristic means it includes information that is
easy to type and store?

,Non-null
Meaningless
Stable
Simple -ANSWER-Simple


Which part of a junction table in a relational database establishes a
many-to-many relationship between two tables?


Primary key
Foreign key
Composite key
Candidate key -ANSWER-Foreign key


Which type of relationship is established by a foreign key in a relational
database?


Aggregation
Composition
One-to-many
Many-to-many -ANSWER-One-to-many

, Which statements may be rejected when a foreign key constraint is
specified?


INSERT
CHECK
SELECT
ORDER BY -ANSWER-INSERT


Which key describes the unique columns in a table that do not contain
a primary key?


Foreign key
Simple key
Candidate key
Composite key -ANSWER-Candidate key


Which index stores column values and row pointers in a hierarchy?


Dense index
Sparse index
Multi-level index
Secondary index -ANSWER-Multi-level index