What is an entity relationship model, Database Management System

What is an entity relationship model? 

The  entity  relationship  model  is  a  collection  of  basic  objects  known as entities  and  relationship  between  those objects. An entity is a thing or object in the real world that is distinguishable from other objects

 

Posted Date: 7/27/2013 6:41:42 AM | Location : United States







Related Discussions:- What is an entity relationship model, Assignment Help, Ask Question on What is an entity relationship model, Get Answer, Expert's Help, What is an entity relationship model Discussions

Write discussion on What is an entity relationship model
Your posts are moderated
Related Questions
Define the Attribute Inheritance The attributes of a higher level entity set are inherited through a lower level entity set made by specialization-generalization hierarchy. Nam

What is the purpose of storage manager? The storage manager is responsible for the following a) Interaction with the file manager b) Translation of DML commands in to low

State the Design of Associations Before designing associations, it is essential to know the way they are used. For this, analysis of association traversals is required. It is

Discuss the methods for a hash file to expand and shrink dynamically. What are the advantages and disadvantages of each? The hashing methods that permit dyanamic file expansi

What is relationship instance ? Relationship Instance - A relationship is a relation between two or more entities. An instance of relationship set is a set of relationships.

Consider the table student and list names of students in the departments other than maths and computer. SELECT std_name FRM student WHERE dept_name NOT IN (‘Maths','Computer);

Need 2 projects completed in 3NF format.

Define deadlock avoidance. An alternative method for avoiding deadlocks is to needs additional information about how resources are to be requested. Each request requires the s

Create Student DB and perform delete operation? STUDENT (name, student#, class, major) COURSE (course name, course#, credit hours, department) SECTION (section identifier, co

What are the four main characteristics of the database approach? The four major characteristics of the database approach are: 1. Self-describing nature of a database system. 2.