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.
 

Supermarket John-Stop sells various food products, including cheese and dairy products. These products sometimes have the tag “%”. For example – cheese 5%, cottage cheese 3% and so on.

CREATE TABLE products (product_name varchar(25))    
GO      

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