Question

What is the name of the property that describes various characteristics of an entity? (Select multiple answers when applicable and explain your answer.)

1. ER diagram

2. Relation

3. Relationship

4. Attribute

5. Column

6. Raw

Answer 1

The property that describes various characterstics of an entity is called "Attribute".

Entity means objects, and attribute means properties of that object. Attributes have values.

For example, an entity "person" have attributes "name, age, sex, height, weight etc".

Attributes simply define an entity. Values of attributes can be of any type like number, string etc.

Now, to discuss what are the other options,

- ER diagram is an pictorial representation of entities and their attributes and relations of entities among themselves.

- Relation refers to a table in a relational model based database.

- Relationship describes how two entities are connected with each other like, between "student" and a "school" entities the relation is "Studies at".

-Coloumn and rows are the arrangement which makes a table in which database is stored.