Interview Questions - DBMS Basics

It is a collection (set) of entities that have same attributes.

It is a collection of all entities of particular entity type in the database.

The collections of entities of a particular entity type are grouped together into an entity set.

An entity set may not have sufficient attributes to form a primary key, and its primary key compromises of its partial key and primary key of its parent entity, then it is said to be Weak Entity set.