Explain the importance of implementing data resource management processes and technologies in an organization. • Outline the advantages of a database management approach to managing the data resources of a business. • Explain how database management software helps business professionals and supports the operations and management of a business

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Introduction to Information Systems
Essentials for the Internetworked E-Business Enterprise
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C h a p t e r
James A. O’Brien
5
Data
Resource
Management

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• Explain the importance of implementing data
resource management processes and
technologies in an organization.
• Outline the advantages of a database
management approach to managing the data
resources of a business.
• Explain how database management software
helps business professionals and supports the
operations and management of a business.
Chapter Objectives

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Introduction to Information Systems
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• Provide examples to illustrate each of the
following concepts:
– Major types of databases
– Data warehouses and data mining
– Logical data elements
– Fundamental database structures
– Database access methods
– Database development.
Chapter Objectives

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Introduction to Information Systems
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Logical Data Elements
Employee
Record 2
Employee
Record 1
Employee
Record 3
Employee
Record 4
Name SS Salary Name SS Salary Name SS Salary Name SS Salary
Data Data Data Data Data Data Data Data Data Data Data Data
Personnel
Database
Payroll
File
Benefits
File

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Introduction to Information Systems
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Operating
System
Database
Management
System
Application
Programs
Databases
Data
Dictionary
Database
Management
•Database Development
•Database Interrogation
•Database Maintenance
•Application Development
Database Management Systems

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Introduction to Information Systems
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Network
Server
External
Databases on
the Internet &
Online
Services
Client
PC or
NC
Operational
Databases of
the Organization
Data
Mart
End User
Databases
Data
Warehouse
Distributed
Databases on
Intranets &
Other Networks
Major Types of Databases

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Introduction to Information Systems
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Data Warehouse and Data Mining
Client
PC or
NC
Analytical
Data Store
Enterprise
Warehouse
Data Mart
Data
Acquisition
Subsystem
Warehouse
Design
Subsystem
Data
Management
Subsystem
Data Access
and Delivery
Subsystem
Web
Information
System
Operational
Databases
Metadata
Directory
Metadata
Repository
Metadata
Management
Subsystem

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Introduction to Information Systems
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Web-Based Systems
Web
Browser
Web Server
Software
Network
Server
The Internet
Intranets
Extranets
Client PCs
or NCs
HTML pages
GIF image files
Video files
Web Objects

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Introduction to Information Systems
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Data Resource Management
Data
Administration
Data
Planning
Database
Administration

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Introduction to Information Systems
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Database Structures
Employee
2
A
Empno Ename Etitle Dept
1
2 B
3 C
Relational Structure
Network Structure
Hierarchical Structure
Employee
3
Project B
Project A
Dept Dname Dloc Dmgr
A
B
C
Employee
2
Employee
1
Project A
Employee
1
Dept A Dept B
Dept
Project B

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Introduction to Information Systems
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Database Structures (cont)
East
West
Denver
Feb
Actual Budget
Margin
Sales TV
VCR
TV
VCR
Multidimensional
Database Structure
Attributes
•Customer
•Balance
Operations
•Deposit
•Withdraw
Bank Account Object
Attributes
•Credit Line
•Mthly Statement
Operations
•Calculate Interest
•Print Mthly
Statement
Checking Account
Object
Attributes
•Credit Line
•Mthly Statement
Operations
•Calculate Interest
•Print Mthly
Statement
Savings Account
Object
Object-Oriented
Database Structure

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Introduction to Information Systems
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Key Fields
Sequential
Access
Sequential
Organization
Indexed
Sequential
Access
Method
Key
Transformation
Direct Access
URLs
Accessing Files and Databases

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Introduction to Information Systems
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Database Development
User Needs
Description
1. Data Planning
Enterprise Model
2. Requirements
Specifications
3. Conceptual Design
4. Logical Design
Physical Models
5. Physical Design
Data Models
Logical Models

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Introduction to Information Systems
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• Data resource management is a critical
management activity. Management roles
include database administration, data planning,
and data administration.
• Under the database management approach,
data records are consolidated into databases
that can be accessed by many different
application programs, serving multiple users.
Chapter Summary

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Introduction to Information Systems
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• Database management systems are software
packages that simplify the creation, use, and
maintenance of databases.
• Several types of databases are used by
organizations including operational,
distributed, external, data warehouses and data
marts.
• Database development for large corporate
databases requires a top-down planning effort
involving planning, requirements specification
and logical and physical design.
Chapter Summary (cont)