Operating-Systems
October 13, 2023Compiler-Design
October 13, 2023Database-Management-System
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Question 878
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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
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
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Names of sailors who have reserved all boats called Ganga
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Names of sailors who have not reserved any Ganga boat
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Names of sailors who have reserved at least one Ganga boat
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Names of sailors who have reserved at most one Ganga boat
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Correct Answer: A
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