EXAM/ WGU D426 DATA MANAGEMENT
FOUNDATION FINAL EXAM ACTUAL EXAM 2025/2026
COMPLETE ACCURATE QUESTIONS AND CORRECT
VERIFIED ANSWERS (A NEW UPDATED VERSION)
|GUARANTEED PASS.| WGU D426
Which database system includes the World database
during its installation?
MySQL
MongoDB
Oracle
PostgreSQL
Answer- MySQL
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
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)
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)
Which format is used by the TIME data type in MySQL?
YYYY-MM-DD
YYYY-MM-DD him: so
him: so
him: so YYYY-MM-DD
answer- him: so
Which MySQL operator is the last in the order of operator
precedence?
-
OR
NOT
, =
Answer- OR
Which operator is used to compare columns from the left
and right tables in MySQL?
<=
+
=
*
Answer- =
Which type of join combines two tables without
comparing columns?
SELF
EQUIJOIN
OUTER