Given the basic ER and relational models, which of the following is INCORRECT?

Question

TuteeHUB · Accepted Answer

in a row of a relational table, an attribute can have exactly one value or a null value

TuteeHUB · Answer

an attribute of an entity can have more than one value

TuteeHUB · Answer

an attribute of an entity can be composite

TuteeHUB · Answer

in a row of a relational table, an attribute can have more than one value

TuteeHUB · Answer

in a row of a relational table, an attribute can have exactly one value or a null value

1.	Given the basic ER and relational models, which of the following is INCORRECT?
A.	an attribute of an entity can have more than one value
B.	an attribute of an entity can be composite
C.	in a row of a relational table, an attribute can have more than one value
D.	in a row of a relational table, an attribute can have exactly one value or a null value
Answer» D. in a row of a relational table, an attribute can have exactly one value or a null value

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