Exercise : English Exclusive Countries

What country/countries use English as their exclusive language? (Hint: Use the percentage.)

+--------------+----------+
| country_code | language |
+--------------+----------+
| BMU          | English  |
+--------------+----------+
1 row in set (0.00 sec)

Exercise Solution

SELECT country_code, language
FROM languages
WHERE percentage = 100
AND language = 'English';