mysql> SELECT region, country FROM suppliers
    -> WHERE region IS NULL;
+--------+-------------+
| region | country     |
+--------+-------------+
| NULL   | UK          | 
| NULL   | Japan       | 
| NULL   | Japan       | 
| NULL   | UK          | 
| NULL   | Sweden      | 
| NULL   | Brazil      | 
| NULL   | Germany     | 
| NULL   | Germany     | 
| NULL   | Germany     | 
| NULL   | Italy       | 
| NULL   | Norway      | 
| NULL   | Sweden      | 
| NULL   | France      | 
| NULL   | Singapore   | 
| NULL   | Denmark     | 
| NULL   | Netherlands | 
| NULL   | Finland     | 
| NULL   | Italy       | 
| NULL   | France      | 
| NULL   | France      | 
+--------+-------------+
20 rows in set (0.33 sec)
