1.   SELECT ContactName,City
FROM customers;

2. SELECT DISTINCT City

FROM customers;

3. SELECT * FROM customers

WHERE country='Mexico';

4. SELECT * FROM `customers` 

WHERE country<>'Canada'

5. SELECT `ID`, `ContactName`, `Address`, `City`, `PostalCode`, `Country` FROM `customers` WHERE ID<=10

6.
7. SELECT * FROM customers
ORDER BY city;
8.
9.
10.