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WGU D427 OA FINAL EXAM DATA MANAGEMENT APPLICATIONS
EXAM LATEST 2025/2026 ACTUAL EXAM WITH COMPLETE
QUESTIONS AND CORRECT DETAILED ANSWERS (100% VERIFIED
ANSWERS) |ALREADY GRADED A+| ||PROFESSOR VERIFIED||
||BRANDNEW!!!||
The Book table has the following columns:
ID—integer, primary key, auto_increment,
Title—variable-length string,
Genre—variable-length string,
Year—integer ,
Write a SQL statement to delete the row with the ID value of 3
from the Book table. - ANSWER-DELETE from Book WHERE ID
= 3;
The Book table has the following columns:
ID—integer, primary key, auto_increment,
Title—variable-length string,
Genre—variable-length string,
Year—integer,
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Write a SQL statement to update the Year value to be 2022 for all
books with a Year value of 2020. - ANSWER-UPDATE Book
SET Year = 2022
WHERE Year = 2020;
Which query illustrates performing an outer join of the Book table
with a different table? - ANSWER-SELECT Book.Title, A.Author
FROM Book B
RIGHT JOIN Author A ON B.AuthorID = A.ID
Assume there are two tables, A and B.
Which rows will always be included in the result set if Table A is
inner joined with Table B? - ANSWER-Only rows in Tables A and
B that share the join condition
The database contains a table named Book.
Write a SQL query to return all data from the Book table without
directly referencing any column names. - ANSWER-SELECT *
FROM Book;
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The Book table has the following columns:
ID—integer, primary key, auto_increment,
Title—variable-length string,
Genre—variable-length string,
Year—integer,
Write a SQL query to retrieve the Title and Genre values for all
records in the Book table with a Year value of 2020. Ensure your
result set returns the columns in the order indicated. - ANSWER-
SELECT Title, Genre
FROM Book
WHERE Year = 2020;
The Book table has the following columns:
ID—integer, primary key, auto_increment,
Title—variable-length string,
Genre—variable-length string,
Year—integer,
Write a SQL query to display all Title values in alphabetical order
A-Z. - ANSWER-SELECT Title
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FROM Book
ORDER BY Title ASC;
The Book table has the following columns:
ID—integer, primary key, auto_increment,
Title—variable-length string,
Genre—variable-length string,
Year—integer,
Write a SQL query to output the unique Genre values and the
number of books with each genre value from the Book table as
GenreCount. Sort the results by the Genre in alphabetical order
A-Z. Ensure your result set returns the columns in the order
indicated. - ANSWER-SELECT Genre, COUNT(*) AS GenreCount
FROM Book
GROUP BY Genre
ORDER BY Genre ASC;
The Book table has the following columns:
ID—integer, primary key, auto_increment,
WGU D427 OA FINAL EXAM DATA MANAGEMENT APPLICATIONS
EXAM LATEST 2025/2026 ACTUAL EXAM WITH COMPLETE
QUESTIONS AND CORRECT DETAILED ANSWERS (100% VERIFIED
ANSWERS) |ALREADY GRADED A+| ||PROFESSOR VERIFIED||
||BRANDNEW!!!||
The Book table has the following columns:
ID—integer, primary key, auto_increment,
Title—variable-length string,
Genre—variable-length string,
Year—integer ,
Write a SQL statement to delete the row with the ID value of 3
from the Book table. - ANSWER-DELETE from Book WHERE ID
= 3;
The Book table has the following columns:
ID—integer, primary key, auto_increment,
Title—variable-length string,
Genre—variable-length string,
Year—integer,
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Write a SQL statement to update the Year value to be 2022 for all
books with a Year value of 2020. - ANSWER-UPDATE Book
SET Year = 2022
WHERE Year = 2020;
Which query illustrates performing an outer join of the Book table
with a different table? - ANSWER-SELECT Book.Title, A.Author
FROM Book B
RIGHT JOIN Author A ON B.AuthorID = A.ID
Assume there are two tables, A and B.
Which rows will always be included in the result set if Table A is
inner joined with Table B? - ANSWER-Only rows in Tables A and
B that share the join condition
The database contains a table named Book.
Write a SQL query to return all data from the Book table without
directly referencing any column names. - ANSWER-SELECT *
FROM Book;
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The Book table has the following columns:
ID—integer, primary key, auto_increment,
Title—variable-length string,
Genre—variable-length string,
Year—integer,
Write a SQL query to retrieve the Title and Genre values for all
records in the Book table with a Year value of 2020. Ensure your
result set returns the columns in the order indicated. - ANSWER-
SELECT Title, Genre
FROM Book
WHERE Year = 2020;
The Book table has the following columns:
ID—integer, primary key, auto_increment,
Title—variable-length string,
Genre—variable-length string,
Year—integer,
Write a SQL query to display all Title values in alphabetical order
A-Z. - ANSWER-SELECT Title
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FROM Book
ORDER BY Title ASC;
The Book table has the following columns:
ID—integer, primary key, auto_increment,
Title—variable-length string,
Genre—variable-length string,
Year—integer,
Write a SQL query to output the unique Genre values and the
number of books with each genre value from the Book table as
GenreCount. Sort the results by the Genre in alphabetical order
A-Z. Ensure your result set returns the columns in the order
indicated. - ANSWER-SELECT Genre, COUNT(*) AS GenreCount
FROM Book
GROUP BY Genre
ORDER BY Genre ASC;
The Book table has the following columns:
ID—integer, primary key, auto_increment,
