Explain about the e-r diagram, Software Engineering

Assignment Help:

Explain about the E-R Diagram

Entity-relationship (E-R) diagram is detailed logical representation of data for an organisation. It is data oriented model of a system while DFD is a process oriented model. ER diagram represent data at rest whereas DFD tracks the motion of data.

ERD doesn't provide any information regarding functionality of data. It has 3 main components - data entities, their relationships and their associated attributes.

 

 


Related Discussions:- Explain about the e-r diagram

What is project scheduling, Question 1 What is project management? Explain...

Question 1 What is project management? Explain various activities involved in project management Question 2 Describe the following with respect to Estimation and Budgeting of

Joomla, want to learn joomla

want to learn joomla

Define the term - inspection, Define the term - Inspection - An inspec...

Define the term - Inspection - An inspection is more formal than walk through. - It includes 3-8 people - a moderator, reader as well as a recorder to take notes. - Subj

What is the utilisation of cmm, What is the utilisation of CMM? Capabil...

What is the utilisation of CMM? Capability Maturity Model is used in assessing how fine an organisation's processes permit to complete and manage latest software projects

Data Flow Diagram, I need help creating a DFD for an assignment. Is there a...

I need help creating a DFD for an assignment. Is there anyway you could help?

Star topology, where star topology used in daily life

where star topology used in daily life

What is manual testing, Manual testing is the part of software testing that...

Manual testing is the part of software testing that needs operator input, analysis, or evaluation. or A manual testing is a testing for which there is no automation. Instead,

Define the computer based system, Define the computer based system. The...

Define the computer based system. The computer based system can be explained as "a set or an arrangement of elements that are organized to accomplish some predefined goal by pr

Explain the software measurement, Define software measurement. A softw...

Define software measurement. A software measurement is a procedure or way that applies software measures to a class of software engineering objects to achieve a predefined goa

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