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Table Of Contents
1.1 Theoretical Background Of The Study
1.2 Statement Of The Problem
1.3 Purpose Of The Study
1.4 Aims And Objectives Of The Study
1.5 Significance Of The Study
1.7 Definitions Of Terms
2.0 Literature Review
2.1 General Review Of Database Storage And Retrieval System
2.2 File Organization
2.3 Storage Media
2.4 Database Retrieval Techniques
3.0 Analysis Of The Existing System
3.1 Fact Finding Method
3.2 Objectives Of The Existing System
3.3 Input, Process And Output Analysis
3.4 Problems Of The Exiting System
3.5 Database Flow Diagram
3.6 Justification For New System
4.0 Design Of A New System
4.1 Input Specification And Design
4.2 Output Specification
4.3 File Design
4.4 Procedure Chart
4.5 System Flowchart
4.6 System Requirement
5.1 Program Design
5.2 Program Flowchart
5.3 Pseudo Code
1.1 THEORETICAL BACKGROUND
Database is a collection of logically related files, organized in a manner to satisfy the needs of an organization. A database is a store of data structured so that access and update can be made by different people in different ways without needs to change its design or content for this to happen, it is essential that all data items are logically related.
Database is always necessary to store date items once, because of it, input cost are lower. Duplicate letters are largely dominated thereby saving space and ensuring data consistency. Data is defined as an unprocessed facts. They are raw fact that are unprocessed. Data does not have meaning. Information are processed data through the computer, which process different type of information. Information in the computer is stored in codes. File is the collection of related filed, field is the collection of data items.
Database management system are important, because important information requirement and non-specialist need easy ways of accessing this information. Large amount of data with many types of records occurring many times in database management system. Also in database management system, complex data structures including many relationships between data items. Many organization will have many use requirement in data base management system. Organizations will also have many frequent demand for changes to be made which only unflexible database management system can cope with.
Data is viewed as a source to be shared by as many process as
possible. As a result, data must be organized in a way that is flexible
and adaptable to un anticipation requirements. The data which they
stored in anticipation of requests, and the requests themselves. Data
may be stored as references to documents, micro forms or computer coded
text, graphics etc. the service may be offered on a local basis or
through a telecommunication network. Database system may be operated by
organizations for their own benefit or offered to the public on a
subscription basic. The output from database services is either a
document or computer data presented, say, on a video display unit or a
The main purpose of database is to satisfy the user information needs. The way in which these needs are expressed largely determined the principles of operation of a particular database system.
Perhaps the most straight forward request for database is when the user supplies a complete reference for a document. The job of the service then is to locate a copy of the document and deliver it to the user. This is usually referred to as document retrieved service. It may be aided by computers in compelling the index to the documents in store, and in physically locating a required document as in a computerized warehouse.
More after then not, however, database need are expressed in terms of a request for data such as, how many patient are being admitted monthly in a hospital? Or what kind of sickness of a patient? To answer such questions reference must be made to records stored either in printed form or as computer coded data. The first of there is often referred to as information retrieval, the later as database search, when the index to the printed record is computerized.
The database distribution system, with the added facility of storage at computer coded text, offer one approach to reducing, the physical size of records, and to mechanizing their search and retrieval the records unfortunately, first have to be converted into computer compatible form, and can be consulted only after conversation via some printing or display device.
1.2 STATEMENT OF THE PROBLEM
There has been this problem of too much work for the nurses in the hospital. Owing to the growing population of patient in the hospital, the nurses is faced with hips of file. At times, sorting out a particular patient file takes most a month.
Also there has been cases of missing files. Due to lack of security in the office and the poor filling system in use, the patient files at times get lost and it then becomes difficult to access the concerned patient information.
This bitter complaints and the delay in the receiving of
information for the management had been the major concern and therefore
has intensified the need to design a software which will go a long way
in tackling these problems and at the same time helps to quicken
1.3 PURPOSE OF THE STUDY
The purpose of the study is to design and implementation of database system for patient management system.
1.4 AIMS AND OBJECTIVES OF THE STUDY
Due to the controversy surrounding the manual processing involved in patient management system, it was felt that a study of this nature will clarify the causes of the problems being faced by the concerned nurses and map out the necessary solutions and techniques to the problem.
Also the manual processing in patient management system was found to be cumber some, tedious and ineffective which lead to inaccurate and unreliable results. It is the aim of this work therefore to remedy this ugly situation by making the task involved to be easy and effective thereby making provision for accuracy and reliability of the results.
More so, this work has the objective of correcting all the
mistakes being made while operating a manual made while operating a
manual system of data storage and retrieval including the delay
encountered in retrieving the information to work with.
1.5 SIGNIFICANCE OF THE STUDY
The importance of this study to the hospital are as follows:-
i. It will help to give nurses the elementary knowledge as how computer can be used to store and retrieve.
ii. The software developed will help to create and store database about the patient. The database can be retrieved at any time by the users.
iii. Adequate security is offered to the database stored to avoid corruption by wrong users. This is done through the use of password to project the database.
iv. It is easy to obtain database or locate a particular patient in that hospital by retrieving database concerning him from the system.
The constraints that were highly against the study are:-
Financial predicament and inconsistency in the economic background of the hospital.
Also lack of the needed materials and time given to accomplish the task is another constraint which was highly against the study.
1.7 DEFINITION OF TERMS
The following are some terms and phrases commonly used in this project.
i. Database: Is a collection of logically related files, organized in a manner to satisfy the needs of an organization.
ii. Data : are raw fact that are unprocessed.
iii. Record: a set of data elements where have some logical relationship in common.
iv. Software; computer programs
v. VDU:- Visual display unit
vi. Reference file:- a file of relatively permanent date about the items or persons concerned.
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