Database

RCD

Database

Ruel C. Dogma

RCD

RCD

Database

Is an integrated collection of Logically related data elements

RCD

Do you imagine today’s life without database?

RCD

Human Resource Database

Payroll File

Employee Record 1

Name Field: Jones T.A.

SSS No:275-32-

3874

Salary Field:

20,000

Employee Record 2

Name Field:

Klugman J.L.

SSS No:349-88-

7913

Salary Field:

15,000

Benefits File

Employee Record 3

Name Field:

Thomas A.F

SSS No: 234-54-

9001

Salary Field:

18,000

Employee Record 4

Name Field: Dones

R.J

SSS No: 213-90-

9089

Salary Field:

17,000

RCD

Traditional VS Database

RCD

PayrollPayroll

ProgramReports

InvoicingInvoicing Program

Reports

InventoryInventory Control

Reports

DATA FILESAPPLICATIONPROGRAMS USERS

Traditional Approach

RCD

Payroll Data

Inventory Data

Invoicing Data

Database Management

System

Payroll Program

Invoicing Program

Inventory Control

Reports

Reports

Reports

Database Approach

RCD

Advantages of Database Approach

• Improved Strategic Use of Corporate Data• Reduced Data Redundancy• Improved Data Integrity• Easier Modification and Updating• Data and Program Independence• Better Access to Data and Information• Standardization of Data Access• A Framework for Program Development• Better Overall Protection of Data• Shared Data and Information Resources

RCD

Disadvantages of Database Approach

• More Complexity• More Difficult to recover from failure• More Expensive