2. Write a query that returns the Subject" attribute of all subjects for which no book has been written by any author. The results should be sorted in ascending order. 3. Write a query that finds the ISBNs of all editions of books written by Agatha Christie. The results should be sorted in descending order. 4. Write a query that finds the first and last names of all authors who have written at least one children's/young adult book (subject: Children/YA) and at least one book of fiction (subject: Fiction"). The results should be sorted first in ascending order by first name and then in ascending order by last name. 3 5. Write a query that finds the IDs, first names, and last names of all authors who have written at least one book in every subject for which J. K. Rowling has written at least one book, including J. K. Rowling. The results should be sorted in ascending order by the author's last name, with ties being broken in favor of the larger ID. 2. Write a query that returns the Subject" attribute of all subjects for which no book has been written by any author. The results should be sorted in ascending order. 3. Write a query that finds the ISBNs of all editions of books written by Agatha Christie. The results should be sorted in descending order. 4. Write a query that finds the first and last names of all authors who have written at least one children's/young adult book (subject: Children/YA) and at least one book of fiction (subject: Fiction"). The results should be sorted first in ascending order by first name and then in ascending order by last name. 3 5. Write a query that finds the IDs, first names, and last names of all authors who have written at least one book in every subject for which J. K. Rowling has written at least one book, including J. K. Rowling. The results should be sorted in ascending order by the author's last name, with ties being broken in favor of the larger ID