What is an attribute?
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17-Jul-2018
Prakash nidhi Verma
17-Jul-2018Attribute is component of database such as table. It may also refer to database field. Attributes describe the instances in the row of a database. A data domain refers to all the values which a data element may contain. The rule for determining the domain boundary may be as simple as a data type with an enumerated list of values. An attribute describes the characteristics of an entity.
Every member of entity set possesses some descriptive properties known as attributes. Attributes are actually used to represent the characteristics of the entities. For example, attribute of loan entity is loan number and amount; attribute of a student entity is roll number, name, age.