Types of relationships in a design model of a database

Assignment Help Database Management System

Reference no: EM1352279

Q1) There are many kinds of relationships in a design model of a database. The most common are one-to-one (1:1), one-to-many (1:N), and many-to-many (N:M). Some of the entity types can be ID-Dependent, Strong, Weak, or Subtype Entities.

1. Why is it important to classify each of these types in an ERD Model?

Reference no: EM1352279

Questions Cloud

Organizational behavior - fmc green river : Continue your analysis for Kenneth Dailey of FMC Green River by focusing on employee motivation, using the Step by Step Analysis.

Explain how can citizens and political leaders judge : Explain how can citizens and political leaders judge and understand whether a given technology offers great perils or great promises?

Calculate g for space shuttle territory : A cat, also of weight 47.8 {rm N}, falls asleep on top of block A. If block B is now set into downward motion, what is its acceleration magnitude.

Work teams-leadership and communication : Continue your analysis for Kenneth Dailey of FMC Green River by focusing on groups and organizational processes, using the Step by Step Analysis.

Types of relationships in a design model of a database : There are many kinds of relationships in a design model of a database. Why is it important to classify each of these types in an ERD Model?

Describe you suggest that a one-time investment : Describe You suggest that a one-time investment in a training program (costing $250,000 up front) will reduce turnover by 50%. Compute the following numbers using historical figures as your assumptions.

Employee problems : You have no employee contract or policies written down. What would you do keeping in mind the pros and cons of all possible options?

Define quantitative research : Define quantitative research and when do we use quantitative approach and what is the advantages and disadvantages when using a quantitative research?

Discuss whether the hurricane cyclostrophic or geostrophic : If in general R were calculated as R=V/I, which curcuit arrangement in part A of experiment would have the smalles ERROR? define.

User Account

All Pages