Consider the numbers of row in the country and city tables:
mysql> SELECT COUNT(*) FROM Country;
Which of the following queries is most efficient for listing the names and capitals of each country?
A.
SELECT Country.name, City.name FROM Country, City WHERE Country.Capital=City.id
B.
SELECT Country.name, City.name FROM City, Country WHERE Country.Capital=City.id
C.
The queries are equally efficient.