@@ -193,7 +193,7 @@ Use only the `mondial` dataset for problems 1-9. For problems 10-12 we will ask
11. Re-run the query from 9. (“pairs of countries that share both a mountain and a sea”) on the new dataverse `hw5index`. Report the new runtime. [Result Size: 7 rows of `{"first_country":..., "second_country":...}`]
12. Modify the query from 11. to return, for each pair of countries, the list of common mountains, and the list of common seas. Name your output attributes ``first_country``, ``second_country``, ``mountain``, ``sea``. [Result Size: 7 rows of `{"first_country":..., "second_country":...}`]
12. Modify the query from 11. to return, for each pair of countries, the list of common mountains, and the list of common seas. Name your output attributes ``first_country``, ``second_country``, ``mountain``, ``sea``. [Result Size: 7 rows of `{"mountains":[{"mountain":...}, {"mountain":...}], "seas":[{"sea":...}, {"sea":...}], {"first_country":..., "second_country":...}`]
