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What is entity classes?

Anonymous

∙ 11y ago

Updated: 12/9/2022

same as entity class or entity type or entity set

Wiki User

∙ 11y ago

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Related Questions

Difference between an entity class and an entity instance?

"An entity is a person, place, event, or thing about which data is collected...An instance is an occurence of an entity." - Systems Analysis & Design (4th) - DennisAn example of this would be STUDENT as the entity while JACK SMITH is an instance of that entity.If an entity is an individual "person, place, event, or thing about which data is collected", then an entity is an instance. Linguistically, entity is just another word for a single thing ("The existence of a thing as contrasted with its attributes.", Merriam-Webster's On-line Dictionary). Entities that have the same attributes are grouped in what are best called entity classes (it doesn't make sense to refer to a collection of entities as an entity). Entity and entity class are data modeling terms. The corresponding object modeling terms are object and class, albeit that a class typically has operations, which are foreign to an entity class.

What is the difference between a reporting entity and a taxable entity?

the difference between a reporting entity and a taxable entity is, a reporting entity is the company or organization and the taxable entity is the individual.

Difference between entity and entity set?

Entity - Table Entity Set - Rows in Table

What is the possessive form of entity?

The possessive form of the noun entity is entity's.

A business entity that is a separate taxable entity is called what?

Business Entity Concept

What is the possessive form of the word entity?

The possessive form for the noun entity is entity's.

What does reporting entity?

an entity with reports

What is software entity?

what is software entity

What is a cultural entity?

cultural entity

What two conditions must be met before an entity can be classified as a weak entity?

In contrast to the strong or regular entity, a weak entity is one that meets two conditions: 1. The entity is existence-dependent; that is, it cannot exist without the entity with which it has a relationship. 2. The entity has a primary key that is partially or totally derived from the parent entity in the relationship.

What is entity occurrence?

An entity occurrence is essentially an instance of an entity. A great example of an entity occurrence is someone's birthdate and other personal records.

Can weak entity be converted into strong entity in DBMS?

A weak entity set can always be make into strong entity set by adding to its attribute of its identifying entity set. For a weak entity set, we add columns to the table corresponding to the primary key of the strong entity set on which the weak set is dependent.

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