Problems for You to Solve

Below, we show you the request statement and the name of the solution query in the sample databases. If you want some practice, you can work out the SQL you need for each request and then check your answer with the query we saved in the samples. Don’t worry if your syntax doesn’t exactly match the syntax of the queries we saved—as long as your result set is the same.

Sales Orders Database

1.“Display products and the latest date each product was ordered.”

(Hint: Use the MAX aggregate function.)

You can find the solution in CH11_Products_Last_Date (40 rows).

2.“List customers who ordered bikes.”

(Hint: Build a filter using IN.)

You can find the solution in CH11_Customers_Order_Bikes (23 rows).

3.“Find all customers who ...

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