Explain The Difference Between Attributes And Identifiers?

1.	Explain The Difference Between Attributes And Identifiers?
Answer» ENTITIES have ATTRIBUTES. Attributes are properties that DESCRIBE the ENTITY’s characteristics. Entity INSTANCES have identifiers. Identifiers are attributes that name, or identify, entity instances. Entities have attributes. Attributes are properties that describe the entity’s characteristics. Entity instances have identifiers. Identifiers are attributes that name, or identify, entity instances.

Answer»

ENTITIES have ATTRIBUTES. Attributes are properties that DESCRIBE the ENTITY’s characteristics. Entity INSTANCES have identifiers. Identifiers are attributes that name, or identify, entity instances.

Entities have attributes. Attributes are properties that describe the entity’s characteristics. Entity instances have identifiers. Identifiers are attributes that name, or identify, entity instances.

Discussion

No Comment Found

Related InterviewSolutions

What Is Lock Granularity?
In General, How Should The Boundaries Of A Transaction Be Defined?
Explain The Meaning Of The Expression Acid Transaction?
Explain The Necessity Of Defining Processing Rights And Responsibilities. How Are Such Responsibilities Enforced?
Explain How A Database Could Be Recovered Via Reprocessing. Why Is This Generally Not Feasible?
Define Rollback And Roll Forward?
Why Is It Important To Write To The Log Before Changing The Database Values?
Explain The Difference Between A Database Administrator And A Data Administrator?
What Is The Foreign Key?
What Is A Candidate Key?

Explain The Difference Between Attributes And Identifiers?

Discussion

No Comment Found

Related InterviewSolutions

Reply to Comment