Exercise

Unique 5-tuples in sorted order

A previous lesson taught an operation that eliminates duplicates, fetching unique records. In a previous exercise you obtained common 5-tuples. We will combine these two capabilities to find the unique 5-tuples, sorted alphabetically in descending order.

The table text contains the first four chapters of the Sherlock Holmes text. It has the following columns: word, id, and part.

Instructions

100 XP

Retrieve the last ten unique 5-tuples sorted alphabetically in descending order.