+1-415-670-9189
info@expertsmind.com
Create requirements and the ER diagram for a scenario
Course:- Database Management System
Reference No.:- EM131860893




Assignment Help
Assignment Help >> Database Management System

Exercises - Create requirements and the ER diagram for a scenario with two entities (both with several attributes) involved in the following relationship:

a. 1:M relationship, where participation on the 1 side is mandatory and participation on the M side is optional.

b. 1:M relationship, where participation on the 1 side is optional and participation on the M side is mandatory.

c. 1:M relationship, where participation on both sides is mandatory.

d. 1:M relationship, where participation on both sides is optional.

e. M:N relationship, where participation on one side is mandatory and participation on the other side is optional.

f. M:N relationship, where participation on both sides is mandatory.

g. M:N relationship, where participation on both sides is optional.




Put your comment
 
Minimize


Ask Question & Get Answers from Experts
Browse some more (Database Management System) Materials
Discuss the concept of the intersection table. Why is it needed in many to many relationships? Referential integrity "rules" trigger some cleanup of your data when insertion,
Compare the pros and cons of consolidating data on a SAN central data facility versus the dispersed arrangement it replaces. Evaluate the issues raised from the Carlson SAN mi
Design a scheme for determining exactly which one of the wine bottles was poisoned in just one month's time while expending O(logn) taste testers.
Construct the Entity Relationship Diagram (ERD) for the above given scenario. Identify all the entities, attributes of each entity including primary key, relationship betwee
List the names of any pair of boats that have the same type. For example, one pair would be Anderson II and Escape, because the boat type for both boats is Sprite 4000.
Display all the LastNames from the Customers table and any associated OrdersIDs from the Orders Table. Show the LastName even if they do not have any associated orders. Orde
Imagine you are a senior systems administrator who has recently been given the task to help improve security of your company's IT infrastructure after a series of network se
Construct an er diagram for a hospital with a set of patients and a set of medical doctors. associate with each patient a log of various test and examination conducted.conve