Question: 4. [6 points] Relational algebra to SQL Given relational tables with schemas R(A,B),S(A,C),T(C,D), express the following relational algebra query in SQL. That is, write an

4. [6 points] Relational algebra to SQL Given relational tables with

4. [6 points] Relational algebra to SQL Given relational tables with schemas R(A,B),S(A,C),T(C,D), express the following relational algebra query in SQL. That is, write an SQL query that returns exactly the same result as the algebra query below: R.A,R.B,S.C(RA

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