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What is data abstraction and data hiding in oops concepts?
abstraction is show nonessential data to user ,
What is data abstraction?
Data abstraction is the reduction of a body of data to a simplified representation of the whole. Data abstraction is usually the first step in database design in order to create a simplified framework that can be added to in order to complete the database.
Is data hiding and abstraction are same?
no
What are the duties of data abstraction clerk?
health
What is the difference between data hidding and data abstraction?
Abstraction: Abstraction refers to removal/reduction of irrelevant data or unnecessary data or confidential data from a Class. Data hiding: Data hiding is a feature provided by the abstraction for hiding the data from the class.
Layers of data abstraction in dbms?
select*from stludent
Which level of Abstraction describes how data are stored in the data base?
how data are stored would be in a physical layer
What are the characteristics of OOPS?
Data Encapsulation, Abstraction, Inheritance, Polymorphism
What is data abstraction in c sharp?
Abstraction means that all information exist but only the relevent information is provided to the user. Encapsulation assists abstraction by providing a mean of suppressing the non-essential details.
Which level of abstraction defines the end user perception of data?
external level
What is abstraction in visual basic?
The basic idea of data abstraction is to structure the programs that are to use compound data objects so that they operate on ``abstract data.'' That is, our programs should use data in such a way as to make no assumptions about the data that are not strictly necessary for performing the task at hand. At the same time, a ``concrete'' data representation is defined independent of the programs that use the data. The interface between these two parts of our system will be a set of procedures, called selectorsand constructors, that implement the abstract data in terms of the concrete representation. To illustrate this technique, we will consider how to design a set of procedures for manipulating rational numbers.bimzz
What are basic features?
features are: 1. Inheritance 2. Polymorphism 3. Data Encapsulation 4. Data Abstraction etc..
