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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