WGU D426 DATA MANAGEMENT FOUNDATIONS
PRE-ASSESSMENT EXAM LATEST 2026 WITH
ACTUAL QUESTIONS AND CORRECT VERIFIED
ANSWERS ALREADY GRADED A+ 100%
GUARANTEED PASS!
Which function is considered an aggregating function in SQL?
A) TRIM
B) REPLACE
C) MIN
D) SUBSTRING - CORRECT ANSWER ✔✔ - C) MIN
Which clause or function is used with aggregate functions to produce summary
rows? - CORRECT ANSWER ✔✔ - GROUP BY
Which type of join returns only the matching values when selecting rows from
two or more tables? - CORRECT ANSWER ✔✔ - Inner Join
Which join type selects only matching left and right table rows? - CORRECT
ANSWER ✔✔ - Inner Join
Which phrase refers to the view in which data is persisted and is automatically
changed as the underlying data is changed? - CORRECT ANSWER ✔✔ -
Materialized View
1|Page
, Which SQL command uses the correct syntax to update the salary of an employee
in the Employee table?
A) CHANGE Employee Salary = 50000 WHERE ID = 1;
B) UPDATE Employee SET Salary = 50000 WHERE ID = 1;
C) ALTER Employee SET Salary = 50000 WHERE ID = 1;
D) UPDATE Employee (Salary) = (50000) WHERE ID = 1; - CORRECT ANSWER ✔✔ -
B) UPDATE Employee SET Salary = 50000 WHERE ID = 1;
What describes elements such as column name and data type? - CORRECT
ANSWER ✔✔ - MetaData
Which term identifies an ordered collection of elements enclosed in parenthesis
in a tablespace? - CORRECT ANSWER ✔✔ - Tuple
Which SQL command uses the correct syntax to select the name and salary
columns from the Employee table, where the salary is greater than 50000, and
sort the results by salary in descending order?
A) SELECT name, salary FROM Employee WHERE salary > 50000 ORDER BY salary
DESC;
B) SELECT Employee.name, Employee.salary WHERE Employee.salary > 50000
SORT BY Employee.salary DESC;
C) SELECT name, salary FROM Employee SORT BY salary DESC WHERE salary >
50000;
2|Page
PRE-ASSESSMENT EXAM LATEST 2026 WITH
ACTUAL QUESTIONS AND CORRECT VERIFIED
ANSWERS ALREADY GRADED A+ 100%
GUARANTEED PASS!
Which function is considered an aggregating function in SQL?
A) TRIM
B) REPLACE
C) MIN
D) SUBSTRING - CORRECT ANSWER ✔✔ - C) MIN
Which clause or function is used with aggregate functions to produce summary
rows? - CORRECT ANSWER ✔✔ - GROUP BY
Which type of join returns only the matching values when selecting rows from
two or more tables? - CORRECT ANSWER ✔✔ - Inner Join
Which join type selects only matching left and right table rows? - CORRECT
ANSWER ✔✔ - Inner Join
Which phrase refers to the view in which data is persisted and is automatically
changed as the underlying data is changed? - CORRECT ANSWER ✔✔ -
Materialized View
1|Page
, Which SQL command uses the correct syntax to update the salary of an employee
in the Employee table?
A) CHANGE Employee Salary = 50000 WHERE ID = 1;
B) UPDATE Employee SET Salary = 50000 WHERE ID = 1;
C) ALTER Employee SET Salary = 50000 WHERE ID = 1;
D) UPDATE Employee (Salary) = (50000) WHERE ID = 1; - CORRECT ANSWER ✔✔ -
B) UPDATE Employee SET Salary = 50000 WHERE ID = 1;
What describes elements such as column name and data type? - CORRECT
ANSWER ✔✔ - MetaData
Which term identifies an ordered collection of elements enclosed in parenthesis
in a tablespace? - CORRECT ANSWER ✔✔ - Tuple
Which SQL command uses the correct syntax to select the name and salary
columns from the Employee table, where the salary is greater than 50000, and
sort the results by salary in descending order?
A) SELECT name, salary FROM Employee WHERE salary > 50000 ORDER BY salary
DESC;
B) SELECT Employee.name, Employee.salary WHERE Employee.salary > 50000
SORT BY Employee.salary DESC;
C) SELECT name, salary FROM Employee SORT BY salary DESC WHERE salary >
50000;
2|Page
