Suppose relations R(A,B) and S(B,C,D) are as follows S A 7 9 1 3 5 R O a. (5, 6) O b. (1, 2) B 2 4 6 8 2 B 8 6 с 1 7 9 4 9 Compute the result of the query: SELECT R.A, X FROM R. (SELECT B, SUM(C) AS X FROM S GROUP BY B) AST D 1 2345 WHERE R.B = T.B; Which of the following tuples is in the result set?

Suppose relations R(A,B) and S(B,C,D) are as follows S A 7 9 1 3 5 R O a. (5, 6) O b. (1, 2) B 2 4 6 8 2 B 8 6 с 1 7 9 4 9 Compute the result of the query: SELECT R.A, X FROM R. (SELECT B, SUM(C) AS X FROM S GROUP BY B) AST D 1 2345 WHERE R.B = T.B; Which of the following tuples is in the result set?

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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