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2. The product table
The COALESCE() function
The GREATEST() & LEAST() functions
The NULLIF() function


Before we start, we'll introduce today's guest, Mr. Adams. He's the CEO of Home made yours, a company that sells furniture and home accessories.

He's agreed to show us a snippet of his company's product table. Let's see what's there.


Select all columns from the product table and study its contents.