entity in database
Entity-
An entity is an object that exists. It doesn't have to do anything;
it just has to exist. In database administration,
an entity can be a single thing, person, place, or object.
Data can be stored about such entities.
A design tool that allows database administrators to view the relationships
between several entities is called the entity relationship diagram (ERD).Explain Entity, Entity Type, and Entity Set in DBMS?
Entity :
It is something which has real existence.
We may say each tuple is an entity.
Entity Type :
It is collection of entity having common attribute.
We may say a table is an entity type.
Entity SET :
It is a set of entities of same entity type.Copyright © 2021 Codeinu
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