1.

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 SOn R.B=S.B;SQ2 : Select *From R Inner Join SOn 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» E.


Discussion

No Comment Found