...
GATE 2002
October 13, 2023
GATE 2005
October 13, 2023
GATE 2002
October 13, 2023
GATE 2005
October 13, 2023

Database-Management-System

Question 878
Consider the following schema :
Sailors(sid,sname,rating,age)
Boats(bid,bname, colour)
Reserves(sid,bid,day)
Two boats can have the same name but the colour differentiates them.
The two relations

If / is division operation, the above set of relations represents the query
A
Names of sailors who have reserved all boats called Ganga
B
Names of sailors who have not reserved any Ganga boat
C
Names of sailors who have reserved at least one Ganga boat
D
Names of sailors who have reserved at most one Ganga boat
Correct Answer: A

Leave a Reply

Your email address will not be published. Required fields are marked *