Introduction
The ISNULL() function
The COALESCE() function
The NULLIF() function
Summary
17. Exercise 1

Instruction

Okay, let's see how much you remember. Exercise 1 is waiting for you!

Exercise

Show all products' names and prices. If the price is NULL, change it to N'unknown'. Make sure the latter column is named Price.

Stuck? Here's a hint!

It's a quiz. No hints this time.