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 is used by a shipping company to store details of its employees. As seen here, each row specifies the employee’s name and number.

CREATE TABLE EmployeesA  
(EmployeeID INT PRIMARY KEY,
EmployeeName VARCHAR(MAX))  

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