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4 votes
4 votes

 A set of relationships of similar type is called a relationship set. Like entities, a relationship too can have attributes. These attributes are called descriptive attributes.

hence B is the answer

1 votes
1 votes

Descriptive attribute describes a relationship. It gives additional information about the relationship.For instance consider the above ER diagrams

In the first instance of ER diagram “time” is the descriptive attribute because it describes the reads relationship. It gives additional information such as “at what time a student reads a book.” In shoft, time attribute qualifies reads relationship.

Similarly in second instance, duration is the descriptive attribute. it gives additional information such as “how many hours an employee works_for a firm”.

(B)

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0 votes

A set of relationships of similar type is called a relationship set. Like entities, a relationship too can have attributes. These attributes are called descriptive attributes

Descriptive attributes are used to record information about the relationship.

0 votes
0 votes
Attributes of the relationship are Descriptive Attributes.

So, it records information about relationships.

B is right option.

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