WGU C175 |D426 DATA MANAGEMENT
FOUNDATIONS OA EXAM
Questions And Verified Answers |Verified &
Already Graded A+
Most Studied | Updated
QUESTIONS & ANSWERS
WGU C175/D426 DATA MANAGEMENT FOUNDATIONS OA
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. ANSWER - Conceptual design
Which requirement within large, complex databases ensures users have limited access to the
database?
,Recovery
Performance
Authorization
Confidentiality. 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.. 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?
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. 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. ANSWER - INT
6. Which text-based interface is included in the MySQL Server Download?
, MySQL Command-Line Client
MySQL Workbench
MySQL Enterprise
MySQL Community. ANSWER - MySQL Command-Line Client
7. Which database system includes the World database during its installation?
MySQL
MongoDB
Oracle
PostgreSQL. ANSWER - MySQL
8. What is the standardized language of relational database systems?
Contextual Query Language
Structured Query Language
Select Query Language
Object Query Language. ANSWER - Structured Query Language
9. Which SQL sublanguage is used to manage database access?
Data Definition Language (DDL)
Data Query Language (DQL)
Data Manipulation Language (DML)
Data Control Language (DCL). ANSWER - Data Control Language (DCL)
10. Which SQL sublanguage is used to roll back database changes?
Data Transaction Language (DTL)
Data Manipulation Language (DML)
FOUNDATIONS OA EXAM
Questions And Verified Answers |Verified &
Already Graded A+
Most Studied | Updated
QUESTIONS & ANSWERS
WGU C175/D426 DATA MANAGEMENT FOUNDATIONS OA
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. ANSWER - Conceptual design
Which requirement within large, complex databases ensures users have limited access to the
database?
,Recovery
Performance
Authorization
Confidentiality. 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.. 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?
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. 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. ANSWER - INT
6. Which text-based interface is included in the MySQL Server Download?
, MySQL Command-Line Client
MySQL Workbench
MySQL Enterprise
MySQL Community. ANSWER - MySQL Command-Line Client
7. Which database system includes the World database during its installation?
MySQL
MongoDB
Oracle
PostgreSQL. ANSWER - MySQL
8. What is the standardized language of relational database systems?
Contextual Query Language
Structured Query Language
Select Query Language
Object Query Language. ANSWER - Structured Query Language
9. Which SQL sublanguage is used to manage database access?
Data Definition Language (DDL)
Data Query Language (DQL)
Data Manipulation Language (DML)
Data Control Language (DCL). ANSWER - Data Control Language (DCL)
10. Which SQL sublanguage is used to roll back database changes?
Data Transaction Language (DTL)
Data Manipulation Language (DML)
