of attributes. The collection of entities of a particular entity type is grouped into entity set, called the extension of the entity type. For example, Entity Type : Accounts Intension (or structure) of entity type Code Name Type Entity Set: Collection of entity instances of an entity type “ Accounts” Extension (or instances) of entity type 110001 Capital Account 221019 Jain & Co. 221020 Jayram Bros.
Fig. . : Examples of entity type and entity set