Consider a relation geq which represents greater than or equal to , that is, (x, y) geq only if y x.

The deletion of (x, y) is prohibited

A tupel (z, w) with z > y is deleted

A tuple (z, w) with z > x is deleted

A tuple (z, w) with w < x is deleted

Consider a relation geq which represents greater than or equal to , t

1.	Consider a relation geq which represents greater than or equal to , that is, (x, y) geq only if y x.
A.	A tupel (z, w) with z > y is deleted
B.	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
Answer» D. The deletion of (x, y) is prohibited

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Consider a relation geq which represents greater than or equal to , that is, (x, y) geq only if y x.

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