What Is Data Abstraction? What Are The Three Levels Of Data Abstracti

1.	What Is Data Abstraction? What Are The Three Levels Of Data Abstraction With Example?
Answer» PHYSICAL level : how the DATA is stored PHYSICALLY and where it is stored in database. Logical level : what information or data is stored in the database. eg: Database administrator View level : END users work on view level. if any amendment is made it can be saved by other name.

What Is Data Abstraction? What Are The Three Levels Of Data Abstraction With Example?

Answer»

PHYSICAL level : how the DATA is stored PHYSICALLY and where it is stored in database.
Logical level : what information or data is stored in the database. eg: Database administrator
View level : END users work on view level. if any amendment is made it can be saved by other name.