Question

In the original Chen notation, how is each attribute represented?

1) As an oval with the attribute name connected to an entity rectangle with a line
2) As a rectangle with the attribute name inside
3) As a circle with the attribute name inside
4) As a line connecting the attribute name to the entity rectangle

Answer 1

In the original Chen notation, an attribute is represented as an oval connected to an entity rectangle with a line, which corresponds to option 1 of the given choices.

Step-by-step explanation:

In the original Chen notation, each attribute is represented as an oval with the attribute name connected to an entity rectangle with a line. This means that the correct representation of an attribute in the Chen notation is option 1: As an oval with the attribute name connected to an entity rectangle with a line. This method of graphical representation is part of entity-relationship (ER) modeling, which is used in conceptual database design to depict the data elements and relationships among them.

The Chen notation visually illustrates how entities are connected to their attributes and to one another within a database, making it an essential component of database design in the field of computer technology