Describe the three levels of data abstraction, DOT NET Programming

Assignment Help:

Describe the three levels of data abstraction?

The are three levels of abstraction:

Physical level: The lowest level of abstraction explains how data are stored.

 Logical level: The next higher level of abstraction, explains what data are stored in database and what relationship between those data.

View level: The highest level of abstraction explains only part of entire database.

 


Related Discussions:- Describe the three levels of data abstraction

Marshalling and types of marshalling, What is marshalling and types of mars...

What is marshalling and types of marshalling? The Marshaling is used when an object is converted so that it can be sent across the network or across the application domains. Th

I need unity 3d texture painting plug-in, Project Description: I require...

Project Description: I require a custom texture painting plug-in for the latest version of Unity 3D. The project can have features that are common in Photoshop and Mari for pain

Develop skype recorder application, Develop Skype Recorder Application + Se...

Develop Skype Recorder Application + Setup + Sourcecode + NICE UI Project Description: i need an application built which will allow user to record skype audio or video calls

How many types of generations are there, How many types of generations are ...

How many types of generations are there in a garbage collector? Memory management in the CLR is separated into three generations that are building up by grouping memory segment

Explain keywords with example, Explain keywords with example. Keywords...

Explain keywords with example. Keywords are those words that are reserved to be used for an exact task. These words cannot be used as identifiers. You cannot use a keyword to

Difference between system exceptions and application excepti, What is the d...

What is the difference between System exceptions and Application exceptions? All exception is derived from Exception Base class. Exceptions are generated programmatically or ca

Absolute and sliding expiration, What is Absolute and Sliding expiration? ...

What is Absolute and Sliding expiration? The Absolute Expiration allows you to specify the duration of the cache, beginning from the time the cache is activated. The given exam

Explain how validation controls are used to validate forms, Question: (...

Question: (a) List the two main advantages of developing a Multitiered Web Applications. (b) Explain how Validation controls are used to validate forms. (c) Using com

Develop a iphone and android mobile game, Develop a iPhone and Android mobi...

Develop a iPhone and Android mobile game Project Description: I am seeking a developer to create a mobile game for me. I need an endless runner game with simple controls. The

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd