Question: I need to change two SQL queries into Relational Calculus ( tuple relational expressions): *notice I need Relational Calculus( tuple relational expressions) Not Relational Algebra

I need to change two SQL queries into Relational Calculus (tuple relational expressions):

*notice I need Relational Calculus(tuple relational expressions) Not Relational Algebra

Query1

SELECT Fname, Minit, Lname

FROM Employee

WHERE Salary >= 10000+(SELECT min(Salary)

FROM Employee)

Query2

SELECT Fname, Minit, Lname

FROM Employee

WHERE Dno = ( SELECT Dno

FROM Employee

WHERE Salary = ( SELECT max(Salary)

FROM Employee ) )

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