Subqueries - EXISTS operator
50.3
Exercise

Subqueries - EXISTS operator - 2

Write a query to list the names of books for which the next volume was published within 1 year of their publishing year. Set the header for the single column of results, to be name.

Note: Even if you find other ways of doing it, try doing it using EXISTS operator in a subquery, just for the sake of your better understanding of the topic.