You are working on a customer appreciation program.

You'd like to generate a list of customer contact fields: i.e. First Name, Last Name. To recognize the top customers, you only are generating the list for customer contacts that have generated more than 18 orders.

HINT: Integrate the subquery the WHERE clause

Example:

select field1, field2

from

table2

WHERE

(select count(*) from table1, where condition)