Page 1 of 15
16 June 2026
WGU C175/D426 DATA MANAGEMENT FOUNDATIONS OA
PREP EXAM 2026/2027 LATEST EXAM TEST UNDER NEW
GUIDELINE 70 QUESTIONS AND CORRECT ANSWERS
PERFECT TO PASS 2026 WGU C175/D426 TEST EXAM
The exam coverage includes foundational database and information management concepts assessed
in WGU C175 / D426 Data Management Foundations OA Exam. It focuses on database design,
relational database concepts, data modeling, normalization, keys, constraints, and structured query
language (SQL) fundamentals. The exam also evaluates understanding of tables, relationships,
entity-relationship diagrams, data integrity, database security, and basic data manipulation and
retrieval. Emphasis is placed on organizing data efficiently, understanding how databases support
business operations, and applying core database principles in real-world information systems
contexts.
Which design type specifies database requirements without regard to a specific database system?
Physical design
Conceptual design
Logical design
Abstract design - correct answer-Conceptual design
Which requirement within large, complex databases ensures users have limited access to the
database?
Recovery
Performance
Authorization
Confidentiality - correct answer-Authorization
3. What characterizes the rules of relational databases?
-They are logical constraints that ensure the data is valid.
-They are based on business policy and specific databases.
-They represent data volumes and rapidly changing data structures.
-They embody the theoretical foundation of the SQL language. - correct answer-They are logical
constraints that ensure the data is valid.
4. Which event will result in an error code and error description when using MySQL Server?
, Page 2 of 15
16 June 2026
When the server or updates are incorrectly installed
When an SQL statement is entered to locate errors in the database
When an SQL statement is syntactically incorrect
When a Mac OS shortcut code is used on a Windows OS - correct answer-When an SQL statement is
syntactically incorrect
5. Which data type should be used to store whole integer values, such as age?
NUM
VARCHAR
DATE
INT - correct answer-INT
6. Which text-based interface is included in the MySQL Server Download?
MySQL Command-Line Client
MySQL Workbench
MySQL Enterprise
MySQL Community - correct answer-MySQL Command-Line Client
7. Which database system includes the World database during its installation?
MySQL
MongoDB
Oracle
PostgreSQL - correct answer-MySQL
8. What is the standardized language of relational database systems?
Contextual Query Language
Structured Query Language
Select Query Language
Object Query Language - correct answer-Structured Query Language
16 June 2026
WGU C175/D426 DATA MANAGEMENT FOUNDATIONS OA
PREP EXAM 2026/2027 LATEST EXAM TEST UNDER NEW
GUIDELINE 70 QUESTIONS AND CORRECT ANSWERS
PERFECT TO PASS 2026 WGU C175/D426 TEST EXAM
The exam coverage includes foundational database and information management concepts assessed
in WGU C175 / D426 Data Management Foundations OA Exam. It focuses on database design,
relational database concepts, data modeling, normalization, keys, constraints, and structured query
language (SQL) fundamentals. The exam also evaluates understanding of tables, relationships,
entity-relationship diagrams, data integrity, database security, and basic data manipulation and
retrieval. Emphasis is placed on organizing data efficiently, understanding how databases support
business operations, and applying core database principles in real-world information systems
contexts.
Which design type specifies database requirements without regard to a specific database system?
Physical design
Conceptual design
Logical design
Abstract design - correct answer-Conceptual design
Which requirement within large, complex databases ensures users have limited access to the
database?
Recovery
Performance
Authorization
Confidentiality - correct answer-Authorization
3. What characterizes the rules of relational databases?
-They are logical constraints that ensure the data is valid.
-They are based on business policy and specific databases.
-They represent data volumes and rapidly changing data structures.
-They embody the theoretical foundation of the SQL language. - correct answer-They are logical
constraints that ensure the data is valid.
4. Which event will result in an error code and error description when using MySQL Server?
, Page 2 of 15
16 June 2026
When the server or updates are incorrectly installed
When an SQL statement is entered to locate errors in the database
When an SQL statement is syntactically incorrect
When a Mac OS shortcut code is used on a Windows OS - correct answer-When an SQL statement is
syntactically incorrect
5. Which data type should be used to store whole integer values, such as age?
NUM
VARCHAR
DATE
INT - correct answer-INT
6. Which text-based interface is included in the MySQL Server Download?
MySQL Command-Line Client
MySQL Workbench
MySQL Enterprise
MySQL Community - correct answer-MySQL Command-Line Client
7. Which database system includes the World database during its installation?
MySQL
MongoDB
Oracle
PostgreSQL - correct answer-MySQL
8. What is the standardized language of relational database systems?
Contextual Query Language
Structured Query Language
Select Query Language
Object Query Language - correct answer-Structured Query Language
