This advanced SQL exercise is part of the book: Advanced SQL – Practical Techniques and Use-Cases, which includes 100 day-to-day SQL challenges (and solutions), need-to-know advanced features, and key concepts.
 

The following table displays the list of products available in Joe’s grocery store. As seen in the table, each row indicates the product number, name, and price.

CREATE TABLE Products  
(productID int,   
 productName varchar(25),   
 unitPrice int)   
 GO   

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