Database-Management-System
August 29, 2024Database-Management-System
August 29, 2024Database-Management-System
|
Question 747
|
Consider the join of a relation R with relation S. If R has m tuples and S has n tuples, then the maximum size of join is
|
mn
|
|
|
m+n
|
|
|
(m+n)/2
|
|
|
2(m+n)
|
Question 747 Explanation:
For maximum:
If there is common attribute in R and S, and every row of R match with every row of S then total no. of tuples will be mn.
If there is common attribute in R and S, and every row of R match with every row of S then total no. of tuples will be mn.
Correct Answer: A
Question 747 Explanation:
For maximum:
If there is common attribute in R and S, and every row of R match with every row of S then total no. of tuples will be mn.
If there is common attribute in R and S, and every row of R match with every row of S then total no. of tuples will be mn.