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. 35. Consider a relation geq which represents "greater
"
than or equal to", that is,
(x, y) = geq only if y > = x.
Create table geq (lb integer not null
ub integer not null
primary key lb
foreign key (ub) references geq on delete cascade)
Which of the following is possible if a tuple (x, y)
is deleted ?
(a) a tuple (2, w) with z>y is deleted
(6) a tuple (z, w) with z > x is deleted
(c) a tuple (z, w) with w < x is deleted
(d) the deletion of (x, y) is prohibited
the result of


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