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

Explain repeater control, How can you provide an alternating color scheme i...

How can you provide an alternating color scheme in a Repeater control?  AlternatingItemTemplate Like the ItemTemplate element, but rendered for each other row (alternating item

In what order global.asax are triggered?, They are triggered in the followi...

They are triggered in the following order as shown below: Application_BeginRequest Application_AuthenticateRequest Application_AuthorizeRequest Application_ResolveReque

Fill factor, What is fill factor? The 'fill factor' option describes ho...

What is fill factor? The 'fill factor' option describes how full SQL Server will make each index page. When there is no free space to insert a new row on the index page, the SQ

Need a excel assistant, Excel Assistant Need somebody to duplicate/creat...

Excel Assistant Need somebody to duplicate/create an excel spreadsheet and to make it website friendly. Desired Skills are VB.NET, VBA, C++, macros, webdesign

Asp .net facebook app project completion, Asp .net Facebook app project com...

Asp .net Facebook app project completion Project Description: We are a small development house in Singapore, and have a project which is 90 percent complete; thus our previou

What are the components of wf 4.0, What are the components of WF 4.0? W...

What are the components of WF 4.0? WF having of various components that work together to make desired workflow. The components of WF are given as follows: Workflows and a

Describe the eventlog class, Describe the EventLog class. The EventLog ...

Describe the EventLog class. The EventLog class is used to access the Windows event logs from Windows services. Using EventLog, you can also customize Windows event logs that r

Urgently requires a jquery expert, Project Description: Looking for a JQ...

Project Description: Looking for a JQuery expert that will develop a customizable product selection page to work with our asp.net website. Product selection, size, quantity, pri

Immediate need in website update, Website update... Immediate need I wan...

Website update... Immediate need I want someone experienced in ASP.NET who can set up PayPal on my website by Feb. 1st. I would similarly like to have some changes made in the t

Software development life cycles, Explain different software development li...

Explain different software development life cycles. The System Development Life Cycle (SDLC) is the overall process of developing information systems through multi stage proces

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