Question 16 Suppose relations R(A,B) and S(B,C,D) are as follows: S A 1 3 5 7 9 Oc(4,4) O d. (7,9) Moving to another question will save this respor O a. (5, 6) O b. (1, 2) R 6 2 8 2 B B 4 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 2 3 4 5 WHERE R.B = T.B; Which of the following tuples is in the result set?
Question 16 Suppose relations R(A,B) and S(B,C,D) are as follows: S A 1 3 5 7 9 Oc(4,4) O d. (7,9) Moving to another question will save this respor O a. (5, 6) O b. (1, 2) R 6 2 8 2 B B 4 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 2 3 4 5 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
Related questions
Question

Transcribed Image Text:Question 16
Suppose relations R(A,B) and S(B,C,D) are as follows:
S
5
7
A Moving to another question will save this respon
9
O c. (4,4)
O d. (7,9)
1
O a. (5, 6)
O b. (1, 2)
R
8
B
6
2
24
B
6
8
с
1
7
9
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
N
2
3
4
5
WHERE R.B = T.B;
Which of the following tuples is in the result set?
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