Data Modeling Question
Download Data Modeling Interview PDF

Answer
 
# 1 Data models are tools used in analysis to describe the data requirements and assumptions in the system from a top-down perspective. They also set the stage for the design of databases later on in the SDLC.

There are three basic elements in ER models:
Entities are the "things" about which we seek information.
Attributes are the data we collect about the entities.
Relationships provide the structure needed to draw information from multiple entities
Submitted by: Administrator
Is This Answer Correct?    3 Yes 0 No
Submit New Question Place Your Answer
Download Data Modeling Interview Questions PDF Download Free Data Modeling Job Interview Questions And Answers

PreviousNext
When should you consider denormalization?What is third normal form?
  1. Question Published at Thursday, 01 July 2010 in Category Data Modeling. Question Visited: 1472 Times.
Data Modeling Job Interview Question


Subscribe your email to receive free updates:

Enter your email address and get free job hunting tips, career advices, job vacancies, questions updates directly delivered to your email inbox






Hot Databases Programming Categories

SSRS Guide
SQL Guide
Data Modeling Guide
Sybase Guide
PostgreSQL Guide