Produce an entity-relationship diagram

Assignment Help Database Management System
Reference no: EM13313949

A policy-holder may have a number of policies with the insurance company. Each policy is given a policy number and relates to a single policy-holder. The company has a range of insurance products and may put together a range of products to form a policy. Examples of motor products are: third party, fire, theft, accident damage, windscreen cover, etc. Brokers sell policies for commission and any one policy may have commission payable to more than one broker. Claims are made against policies. A claim relates to only one policy and each claim is classified according to one of six claim types. The company's products are grouped by business area, i.e. life, motor, marine, etc. Any particular product belongs to only one business area. The company holds information on clubs and associations, for promotions and selective mailings. A policy-holder may belong to a number of different associations.

(a) Produce an Entity-Relationship diagram which represents the above activities of the insurance company. Indicate the names and degrees of all the relationships. Give appropriate attributes for each entity shown, and identify the primary key for each entity.

(b) Give three queries which would be most likely to be asked in this scenario and give a clear explanation of how each may be answered.

 

Attachment:- Assigment.docx

Reference no: EM13313949

Questions Cloud

Explain what is the ph of this new solution : at is the pH of this new solution. Assume no volume change after NaOH(s) was added. Molar Mass NaOH= 39.998 g/mol. Answer given was pH = 13.52, What are the steps to get here
Could a relation be stored as a sequential file : Suppose a sequential file contains 50,000 records, and 5 milliseconds are required to interrogate an entry. How long should we expect to wait when retrieving a record from the middle of the file?
How much work is done by you on the pulling : A wheel is mounted on a stationary axle which we can assume frictionless. As a result, the wheel can turn freely but cannot translate. How much work is done by you on the pulling
Determine the position of the center of mass of this object : A toy is made with three equal masses of 100 grams in the vertices of an equilateral triangle of side 7 cm. Determine the position of the center of mass of this object
Produce an entity-relationship diagram : Produce an Entity-Relationship diagram which represents the above activities of the insurance company. Indicate the names and degrees of all the relationships. Give appropriate attributes for each entity shown, and identify the primary key for eac..
Determine what is the maximum shear stress : A steel tube has an outside diameter of 2.5 inches and an inside diameter of 2.375 (1/8" thick). If it transmits 35 hp when turning at 2700 rpm, what is the maximum shear stress
Explain the solution and allowed to dissolve : A sample of 0.05567 mole sodium acetate was dissolved into 150.0 mL of water. If 2.00g of NaOH(s) was added to the solution and allowed to dissolve
Discuss your company of expertise : Discuss your Company Of Expertise
How many excited states are there : Use the semi-infinite-well potential to model a deuteron, a nucleus consisting of a neutron and a proton. How many excited states are there

Reviews

Write a Review

Database Management System Questions & Answers

  Knowledge and data warehousing

Design a dimensional model for analysing Purchases for Adventure Works Cycles and implement it as cubes using SQL Server Analysis Services. The AdventureWorks OLTP sample database is the data source for you BI analysis.

  Design a database schema

Design a Database schema

  Entity-relationship diagram

Create an entity-relationship diagram and design accompanying table layout using sound relational modeling practices and concepts.

  Implement a database of courses and students for a school

Implement a database of courses and students for a school.

  Prepare the e-r diagram for the movie database

Energy in the home, personal energy use and home energy efficiency and Efficient use of ‘waste' heat and renewable heat sources

  Design relation schemas for the entire database

Design relation schemas for the entire database.

  Prepare the relational schema for database

Prepare the relational schema for database

  Data modeling and normalization

Data Modeling and Normalization

  Use cases perform a requirements analysis for the case study

Use Cases Perform a requirements analysis for the Case Study

  Knowledge and data warehousing

Knowledge and Data Warehousing

  Stack and queue data structure

Identify and explain the differences between a stack and a queue data structure

  Practice on topic of normalization

Practice on topic of Normalization

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