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DBMS & Management Issues

Contents

Introduction1

Need for DBMS

Paradigm Shift of Technology

Database Administration

2

3

4

DBMSDefinition

Software that controls the organization,

storage, retrieval, security and integrity of

data in a database.

A software system that facilitates the

creation and maintenance and use of an

electronic database.

Advantages of DBMS

Improved Data Sharing.

Better Data Integration.

Minimized Data Inconsistency.

Improved Data Access.

Improved Decision Making.

Increased end user productivity.

Need for DBMS

Increase Competency

Time Saving

Security

Organizational Need

Flow of Information

Paradigm Shift of Technology

Stage IThe organization is small.The no. of employees and the customers

are less.Personal data of employees can be easily

managed in registers.Functions of MS Office are sufficient to

handle the electronic data.The need for an exclusive DBMS is not

there.

Stage II The organization starts to grow. The no. of employees and the clients starts

increasing. It starts becoming difficult to manage the

personal data of the employees in register form.

The order books of the customers also starts becoming difficult to handle in register form.

The MS Office functions are no more sufficient for managing the electronic data.

Need for a professional DBM System arises.

Stage IIShifts towards technology

1. Digitization: technological advancement.

2. Knowledge-intensity: information, knowledge and

learning.

3. Networking: connectivity.

4. Globalization: pulsating economical systems.

5. Dematerialization: shift in value-creating models.

6. Risk, speed and innovation: idea-driven growth.

Stage III

The organization feels the need for the DBMS

systems.

It starts finding ways in which it can implement the

Information System and how can it gain benefits

from it.

Before implementing any Information System the

management must have a look on some of the most

important issues.

AdministrationAdministration

DBMS Issues

Planning

DesigningImplementation

Maintenance

DBMS Administration

Planning

Review the data management system currently

active in the company.

Find out areas in which change is required.

Appoint consultants who are highly specialized

in the DBMS e.g. Oracle

They will have a look at the whole

organizational structure.

Then they will proceed to the designing phase

Designing Based on the size of the organization and on the amount

of data that is being stored.

The consultants along with the management will set up

the security limits of the system.

Some data can be accessed by any body in the

organization, but certain data that is of strategic

importance can only be reached by the top management.

Team work coordination & project management are

important administrative task in this stage.

Implementation

Development of application & user interface

are the major steps.

Communicate with all employees so that

they are aware of the changes going on.

Appoint people with competencies in

handling the DBMS system

Maintenance IssuesMonitor Usage & Security

Perform Backup & Recovery

Support For User

Increased Cost

Management Complexity

Regular Updating

Vendor Dependence

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