1. Explain how SQL engine works 2. Given the tables R,S and T: a) Write the...

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1. Explain how SQL engine works 2. Given the tables R,S and T: a) Write the algorithm to execute this query. b) Translate the query to relational algebra c) Find optimization plan for the query R(A,B) S(B,C) T(C,D) SELECT R.A.S.D FROM R, S,T WHERE R.B=S.B AND S.C=T.C AND R.A<10; 1. Explain how SQL engine works 2. Given the tables R,S and T: a) Write the algorithm to execute this query. b) Translate the query to relational algebra c) Find optimization plan for the query R(A,B) S(B,C) T(C,D) SELECT R.A.S.D FROM R, S,T WHERE R.B=S.B AND S.C=T.C AND R.A<10;

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1 Explain how SQL engine works An SQL engine also known as a Database Management System DBMS is responsible for executing SQL queries and managing databases efficiently Heres a simplified overview of ... View the full answer