Infromation system – access project

Access

Project

IS31

2

Fall

2015

Last Updated:

10

/

09

/20

1

5

David Liu, Ph.D. © 20

1

5

page

2

of

4

IS312 Access Project

Your solution should incl

ude separate tables for patients

,

physicians

,

appointments

and ailment

s.

For each table

, analyze

what should be the

appropriate

and necessary

fields

in order to satisfy

the purpose of the database design

. Points will be deducted when essential fields are missing

from the table. Point will also be

deducted

when unnecessary

necessary fields are

included

, e.g.

if you have foreign key

s in a table that are not linked, then it is unnecessary

.

The solution that

the

professor is

looking for

has

a pure j

unction table

one that

is used to

depict

a many

to

many

relationship from two one

to

many relationships

.

A

primary

key

with multiple fields

is needed

in

the pure junction table

to ensure that there are no duplicate diagnostic codes for the same

appointment.

The final results for the assignment include

a database that contains

only

th

e

require

d

tables

(i.e.

5 of them)

and

a

data model

shown

in the form of

a

R

elationship

s

D

iagram.

Be sure that all the

fields are appropriately typed

and their properties configured/constrained

.

D

o not enter any data

into the tables

.

Recommended steps to f

ollowing

:

1.

Start a new database from the Blank database

template in

Access 2013

, i.e. do not start

from any other template

s

or existing databases.

2.

You are to

initially

c

reate the following 4 tables:

Patients

Physicians

Appointments

Ailments

3.

General notes regarding database design

Decide what fields are

appropriate for which tables.

Keep in mind the purpose of the database

design

, i.e.

to support the

administrative functions such as

billing, scheduling and

patient tracking

for

the

medical practice

.

It would be helpful for you to

search

for open source

ap

plications for these functions to serve as a reference on what fields are

necessary.

Always work in the Design View when you are assignment field names and field

properties, i.e. do not work in the Datasheet View

.

Do NOT enter data into the tables, i.e.

just define the field properties of the

tables

.

4.

Patient table design

What kind of

patient

information does the medical practice need

in order to do

assure that it gets paid?

For example: contact information, employment

information, insurance information, e

tc.

For each piece of information that

is needed in the database design, it should

become

a field that you need to specify

.

It is important to have the appropriate level of

granularity

in the design of

the

fields. For example, a patient’s name is not just

one field

, it

should be at least first

name, last name, etc. Likewise,

an

address is not just one field, but

it should be

separated into

street, city, state, zip, etc.

For each field, be sure to assign the appropriate

Data Type

to ensure data

integrity and

the

support

of

downstream

manipulation/extraction of the data.

Also for each field, be sure to assign the appropriate

Field Properties

to

constraint the value

s

it

should hold

and to facilitate formatting

of the content

.

What is the unique identifier for a patient? Assign that field to be the Primary Key

for this table.

5.

Repeat

the process in

4

for the remaining 3 tables

Sample design

considerations

for the Physician table: what kind of

physician

information would an insur

ance company want when

it

process a claim for

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