What is Relationship type? - Database interview

What is Relationship type? - Database interview
Relationship type defines a set of associations or a relationship set among a given
set of entity types.

What is an attribute? -Database interview

What is an attribute? -Database interview
It is a particular property, which describes the entity.

What is Weak Entity set? - Dbms interview

What is Weak Entity set? - Dbms interview
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.

What is an Extension of entity type? - Dbms interview

What is an Extension of entity type? - Dbms interview
The collections of entities of a particular entity type are grouped together into an
entity set.

What is an Entity set? -Dbms interview

What is an Entity set? -Dbms interview
It is a collection of all entities of particular entity type in the database.

What is an Entity type? - Dbms interview

What is an Entity type?
It is a collection (set) of entities that have same attributes.

What is an Entity? - Dbms Interview

What is an Entity? - Dbms Interview
It is a 'thing' in the real world with an independent existence.