Discussion :: Database System 2 - CS
- A semijoin is which of the following?
A.
Only the joining attributes are sent from one site to another and then all of the rows are returned. |
B.
All of the attributes are sent from one site to another and then only the required rows are returned. |
C.
Only the joining attributes are sent from one site to another and then only the required rows are returned. |
D.
All of the attributes are sent from one site to another and then only the required rows are returned. |
Answer : Option C
Explanation :
Explanation Not Provided
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