Question
Computer Science Question on Operation on Relation
How many join operation are needed to combine N tables on equality condition.
A
N−2
B
N
C
N−1
D
Log(N)
Answer
N−1
Explanation
Solution
The correct option is (C) :N−1
How many join operation are needed to combine N tables on equality condition.
N−2
N
N−1
Log(N)
N−1
The correct option is (C) :N−1