For each of the following three queries, create one relational algebra query file using WinRDBI: List the firstname and lastname of each employee who has at least one work assignment with the project "ProductY". -- [filename: q1.alg]
List the lastnames for each pair of employees who have the same supervisor. There should not be any duplicate reversed pair and no employee be paired with the same employee. -- [filename: q2.alg]
List the firstname and lastname of employee(s) with the lowest salary value. -- [filename: q3.alg]

The answer is phishing : )

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