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UGC-NET | UGC NET CS 2015 Dec – III | Question 60
Suppose ORACLE relation R(A, B) currently has tuples {(1, 2), (1, 3), (3, 4)} and relation S(B, C) currently has {(2, 5), (4, 6), (7, 8)}. Consider the following two SQL queries SQ1 and SQ2 :
SQ1 : Select *
From R Full Join S
On R.B = S.B;
SQ2 : Select *
From R Inner Join S
On R.B = S.B;
The numbers of tuples in the result of the SQL query SQ1 and the SQL query SQ2 are given by:
(A)
2 and 6 respectively
(B)
6 and 2 respectively
(C)
2 and 4 respectively
(D)
4 and 2 respectively
Answer
Please comment below if you find anything wrong in the above post
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