WGU C175 D426 Data Management Foundations OA Questions, Answers and Rationales 2027

WGU C175-D426 DATA MANAGEMENT
FOUNDATIONS OA EXAM ACTUAL EXAM 2
LATEST VERSIONS 100 QUESTIONS AND
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DETAILED ANSWERS WITH RATIONALES
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Which requirement within large, complex databases ensures users have
limited access to the database?

Recovery
Perf̣ormance
Authorization
Conf̣identiality -
ANSWER>>Authorization

Which design type specif̣ies database requirements without regard to
a specif̣ic database system?

Physical design
Conceptual design
Logical design
Abstract design - ANSWER>>Conceptual
design

3. What characterizes the rules of̣ relational databases?

-They are logical constraints that ensure the data is valid.
-They are based on business policy and specif̣ic databases.
-They represent data volumes and rapidly changing data structures.
-They embody the theoretical f̣oundation of̣ 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 interf̣ace 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 of̣ 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 Def̣inition 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)
Data Query Language (DQL)
Data Control Language (DCL) - ANSWER>>Data Transaction
Language (DTL)

11. Which f̣ormat is used by the TIME data type in MySQL?