What is a weak entity in the context of the Entity-Relationship model?An entity with a strong relationshipAn entity without any attributesAn entity that cannot be uniquely identified by its own attributes aloneAn entity with a primary key

What is the main difference between a strong and weak entity?Question 2Answera.None of the aboveb.Entity Attributesc.Entity Primary Identifierd.Entity with ternary relationshipse.Entity Name

For a weak entity set to be meaningful, it must be associated with another entity set, called the

A weak entity set in an E-R diagram is an entity set that:Marks : 1Negative Marks : 0Answer herehas a primary keymust be part of a one to many relationship setis not existence dependent on a dominant entitymust not participate as owner in an identifying relationship with another entity set

What is the purpose of a weak entity in an ER diagram?a.To represent an entity with a unique keyb.To represent an entity that depends on another entity for identificationc.To represent an entity that does not have attributesd.To represent an entity with a strong identity

Distinguish between a Weak (or non-identifying) and a Strong (or identifying) relationshipbetween entities.