WGU D426 V2 | EXPERT VERIFIED
ACTUAL QUESTIONS & ANSWERS FOR
GUARANTEED PASS | NEWEST
UPDATE, 2026-2027.
This WGU D426 Data Management - Foundations V2 Exam is
a 150+ Q&A. It focuses on SQL commands, relational
database design, and normalization (1NF-3NF). The exam
covers entity-relationship, primary/foreign keys, and basic SQL
queries (SELECT, INSERT, UPDATE, DELETE). This Practice
exams include scenario-based questions on schema design and
database optimization.
Key Study Areas & Exam Topics
Database Design (CLP): Understanding Conceptual, Logical,
and Physical design stages.
Normalization: Ensuring 1NF, 2NF, and 3NF to eliminate
data redundancy.
SQL
Commands: Mastering SELECT, FROM, WHERE, JOIN, UPD
ATE, and DELETE.
Keys & Constraints: Identifying Primary Keys, Foreign
Keys, UNIQUE, and NOT NULL constraints.
ER Diagrams: Understanding entities, attributes, and
relationship cardinalities.
1
, NB The exam covers both conceptual database modeling and practical SQL
syntax. Many students complete this course in about 5 weeks.
Quiz_________________
The relationship (within the relation) that describes how the value of one
attribute may be used to find the value of another attribute. -
Answer
Functional Dependency
Quiz_________________?
An attribute that can be used to find the value of another attribute in the relation.
-
Answer
Determinant
Quiz_________________?
Value can be used to find the value of every other non-key attribute in the table.
Unique and minimal. -
Answer
Candidate Key
Quiz_________________?
2
, Define & manage database structures -
Answer
DDL
Quiz_________________?
Adding, deleting, and modifying data - Manipulates data stored in a database. -
Answer
DML
Quiz_________________?
Used to create user accounts, manage permissions and access. -
Answer
DCL
Quiz_________________?
Includes CREATE, DROP, ALTER, TRUNCATE, RENAME -
Answer
DDL
Quiz_________________?
3
, A view created and stored on the database. Underlying data is changed and also
updated in this view. Uses memory space. -
Answer
Materialized View
Quiz_________________?
Not stored in memory. Only computed when used or accessed. -
Answer
Virtual View
Quiz_________________?
The data about the data. Describes elements such as columns, names, and data
type. -
Answer
Metadata
Quiz_________________?
Ordered collection of elements in parentheses. -
Answer
Tuple
4
ACTUAL QUESTIONS & ANSWERS FOR
GUARANTEED PASS | NEWEST
UPDATE, 2026-2027.
This WGU D426 Data Management - Foundations V2 Exam is
a 150+ Q&A. It focuses on SQL commands, relational
database design, and normalization (1NF-3NF). The exam
covers entity-relationship, primary/foreign keys, and basic SQL
queries (SELECT, INSERT, UPDATE, DELETE). This Practice
exams include scenario-based questions on schema design and
database optimization.
Key Study Areas & Exam Topics
Database Design (CLP): Understanding Conceptual, Logical,
and Physical design stages.
Normalization: Ensuring 1NF, 2NF, and 3NF to eliminate
data redundancy.
SQL
Commands: Mastering SELECT, FROM, WHERE, JOIN, UPD
ATE, and DELETE.
Keys & Constraints: Identifying Primary Keys, Foreign
Keys, UNIQUE, and NOT NULL constraints.
ER Diagrams: Understanding entities, attributes, and
relationship cardinalities.
1
, NB The exam covers both conceptual database modeling and practical SQL
syntax. Many students complete this course in about 5 weeks.
Quiz_________________
The relationship (within the relation) that describes how the value of one
attribute may be used to find the value of another attribute. -
Answer
Functional Dependency
Quiz_________________?
An attribute that can be used to find the value of another attribute in the relation.
-
Answer
Determinant
Quiz_________________?
Value can be used to find the value of every other non-key attribute in the table.
Unique and minimal. -
Answer
Candidate Key
Quiz_________________?
2
, Define & manage database structures -
Answer
DDL
Quiz_________________?
Adding, deleting, and modifying data - Manipulates data stored in a database. -
Answer
DML
Quiz_________________?
Used to create user accounts, manage permissions and access. -
Answer
DCL
Quiz_________________?
Includes CREATE, DROP, ALTER, TRUNCATE, RENAME -
Answer
DDL
Quiz_________________?
3
, A view created and stored on the database. Underlying data is changed and also
updated in this view. Uses memory space. -
Answer
Materialized View
Quiz_________________?
Not stored in memory. Only computed when used or accessed. -
Answer
Virtual View
Quiz_________________?
The data about the data. Describes elements such as columns, names, and data
type. -
Answer
Metadata
Quiz_________________?
Ordered collection of elements in parentheses. -
Answer
Tuple
4
