entity relationship diagram, Database Management System

Assignment Help:
Ask questApollo Hospitals (AH) is a popular medical service provider in Oman. AH wants to
automate its business functions into an information system. The proposed information system
must be developed keeping in mind the following business rules. As part of this, you need to
analyse and develop an Entity Relationship model depicting the following various business
requirements and functionalities for the proposed Pharmacy Information System of AH.
Dr. Prathap Reddy, Chairman, is aware that other multi-specialty hospitals are coming up in a
big way and AH will face fierce competition from new healthcare systems. So, he has decided
to take all measures to always be ahead of others in the market. It is increasingly important to
AH that Reddy be able to analyse services rendered by AH and perception of patients more
thoroughly.
The Pharmacy places requests to the Purchase Department whenever it is in need of drugs.
Pharmacy is identified by unique id, name and telephone number. Purchase Department is
identified by a unique number. The other elements are phone number, manager. The Purchase
Department submits many orders or may not submit an order. An order is uniquely identified
by an id. The other elements of order are placement date, fulfillment date, received date, order
amount. An order consists of one or more drugs or items. A drug is supplied by one or more
supplier. A supplier supplies many drugs or may not supply a drug. Whenever a supplier
supplies a drug, AH wants to record the shipment details such as date of supply. The elements
of drug are unique id, name, type, manufacturer id, manufacture date, expiry date, batch
number, unit cost. A supplier is uniquely identified by id. The other elements of supplier are
name, address, phone number, email, location and track record.
a) Construct the Entity Relationship Diagram (ERD) for the above given scenario. Identify all
the entities, attributes of each entity including primary key, relationship between the
entities and cardinality constraints. State any assumptions necessary to support your
design.

b) For the task 2a, analyse and recommend how the proposed ER model could accommodate
the shipment and payments.

Related Discussions:- entity relationship diagram

Define the terms entity set and relationship set, Define the terms i) Entit...

Define the terms i) Entity set ii) Relationship set Entity set: The set of all entities of the similar type is termed as an entity set. Relationship set: The set of all rela

Define two phase commit, Define Two phase commit Two phase commit: To m...

Define Two phase commit Two phase commit: To make sure atomicity, all the sites where a transaction is being executed must agree on the final outcome of the execution. The tran

Explain i command in qbe, Explain I command in QBE ? I : It is the co...

Explain I command in QBE ? I : It is the command in QBE that is used to insert tuple (s) into the database

Er model, There are a number of possible solutions to the open ended brief....

There are a number of possible solutions to the open ended brief. One of the simple ones is shown here without the PKs and FKs. It is important to think of how a number of tasks

Remove all transitive dependencies - dependency diagram, 1. Use the Invoice...

1. Use the Invoice table structure shown below to answer the following questions: a)  Draw the dependency diagram and identify the primary key and all dependencies, including al

Equijoin, When every condition appears with equality condition (=) only. c)...

When every condition appears with equality condition (=) only. c)   Natural join (denoted by R*S) When two join attributes have the similar name in both relations. (Tha

Difference among a primary index and a secondary index, What is the differe...

What is the difference among a primary index and a secondary index? Primary Index: A primary index is an ordered file whose records are of fixed length along with two fields.

Objectives-distributed and client server databases, Objectives diff...

Objectives differentiate DDBMS and conventional DBMS; Describe Network topology for DDBMS; Describe the concepts of horizontal and vertical fragmentation; Descr

Optimistic concurrency control, Optimistic Concurrency Control Is locki...

Optimistic Concurrency Control Is locking the only way to stop concurrency related problems? There exist some other ways too. One such way is known as an Optimistic Concurrency

Data mining, 1.Why we need data mining? Give an example to illustrate your ...

1.Why we need data mining? Give an example to illustrate your answer. 2. Why data mining is considered as "misleading name"? 3. Distinguish the difference between database an

Write Your Message!

Captcha
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