WGU D492 Data Analytics Applications
Latest 2026 OA Assessment Exam Graded
A+ Complete Questions Fully Solved 100%
Original
Question 1: Which SQL clause is used to retrieve data from a database table?
INSERT
SELECT
DELETE
UPDATE
Question 2: In a relational database, what is a tuple?
An unordered collection of elements
An ordered collection of elements
A key-value pair
A relationship between two tables
Question 3: What SQL command is used to delete a table from a database?
DELETE
TRUNCATE
DROP
ALTER
, Question 4: Which relational operation eliminates one or more columns of a table?
SELECT
PROJECT
JOIN
UNION
Question 5: Which SQL keyword is used to rename a column or table in a query result?
AS
FROM
RENAME
ALIAS
Question 6: In SQL, what does the GROUP BY clause do?
Groups rows that have the same values in specified columns
Orders the result set in ascending order
Filters rows based on a condition
Removes duplicate rows from the result set
Question 7: Which of the following is a binary operation in relational algebra?
SELECT
PROJECT
PRODUCT
RENAME
Latest 2026 OA Assessment Exam Graded
A+ Complete Questions Fully Solved 100%
Original
Question 1: Which SQL clause is used to retrieve data from a database table?
INSERT
SELECT
DELETE
UPDATE
Question 2: In a relational database, what is a tuple?
An unordered collection of elements
An ordered collection of elements
A key-value pair
A relationship between two tables
Question 3: What SQL command is used to delete a table from a database?
DELETE
TRUNCATE
DROP
ALTER
, Question 4: Which relational operation eliminates one or more columns of a table?
SELECT
PROJECT
JOIN
UNION
Question 5: Which SQL keyword is used to rename a column or table in a query result?
AS
FROM
RENAME
ALIAS
Question 6: In SQL, what does the GROUP BY clause do?
Groups rows that have the same values in specified columns
Orders the result set in ascending order
Filters rows based on a condition
Removes duplicate rows from the result set
Question 7: Which of the following is a binary operation in relational algebra?
SELECT
PROJECT
PRODUCT
RENAME