Se ha denunciado esta presentación.
Se está descargando tu SlideShare. ×

7. DATA RESOURCE MANAGEMENT.pdf

Anuncio
Anuncio
Anuncio
Anuncio
Anuncio
Anuncio
Anuncio
Anuncio
Anuncio
Anuncio
Anuncio
Anuncio
Cargando en…3
×

Eche un vistazo a continuación

1 de 15 Anuncio

7. DATA RESOURCE MANAGEMENT.pdf

Descargar para leer sin conexión

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

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

Anuncio
Anuncio

Más Contenido Relacionado

Más de YUSRA FERNANDO (20)

Más reciente (20)

Anuncio

7. DATA RESOURCE MANAGEMENT.pdf

  1. 1. Eleventh Edition 1 Introduction to Information Systems Essentials for the Internetworked E-Business Enterprise Irwin/McGraw-Hill Copyright © 2002, The McGraw-Hill Companies, Inc. All rights reserved. C h a p t e r James A. O’Brien 5 Data Resource Management
  2. 2. Eleventh Edition James A. O’Brien 2 Introduction to Information Systems Irwin/McGraw-Hill Copyright © 2002, The McGraw-Hill Companies, Inc. All rights reserved. • 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
  3. 3. Eleventh Edition James A. O’Brien 3 Introduction to Information Systems Irwin/McGraw-Hill Copyright © 2002, The McGraw-Hill Companies, Inc. All rights reserved. • 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
  4. 4. Eleventh Edition James A. O’Brien 4 Introduction to Information Systems Irwin/McGraw-Hill Copyright © 2002, The McGraw-Hill Companies, Inc. All rights reserved. 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
  5. 5. Eleventh Edition James A. O’Brien 5 Introduction to Information Systems Irwin/McGraw-Hill Copyright © 2002, The McGraw-Hill Companies, Inc. All rights reserved. Operating System Database Management System Application Programs Databases Data Dictionary Database Management •Database Development •Database Interrogation •Database Maintenance •Application Development Database Management Systems
  6. 6. Eleventh Edition James A. O’Brien 6 Introduction to Information Systems Irwin/McGraw-Hill Copyright © 2002, The McGraw-Hill Companies, Inc. All rights reserved. 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
  7. 7. Eleventh Edition James A. O’Brien 7 Introduction to Information Systems Irwin/McGraw-Hill Copyright © 2002, The McGraw-Hill Companies, Inc. All rights reserved. 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
  8. 8. Eleventh Edition James A. O’Brien 8 Introduction to Information Systems Irwin/McGraw-Hill Copyright © 2002, The McGraw-Hill Companies, Inc. All rights reserved. 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
  9. 9. Eleventh Edition James A. O’Brien 9 Introduction to Information Systems Irwin/McGraw-Hill Copyright © 2002, The McGraw-Hill Companies, Inc. All rights reserved. Data Resource Management Data Administration Data Planning Database Administration
  10. 10. Eleventh Edition James A. O’Brien 10 Introduction to Information Systems Irwin/McGraw-Hill Copyright © 2002, The McGraw-Hill Companies, Inc. All rights reserved. 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
  11. 11. Eleventh Edition James A. O’Brien 11 Introduction to Information Systems Irwin/McGraw-Hill Copyright © 2002, The McGraw-Hill Companies, Inc. All rights reserved. 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
  12. 12. Eleventh Edition James A. O’Brien 12 Introduction to Information Systems Irwin/McGraw-Hill Copyright © 2002, The McGraw-Hill Companies, Inc. All rights reserved. Key Fields Sequential Access Sequential Organization Indexed Sequential Access Method Key Transformation Direct Access URLs Accessing Files and Databases
  13. 13. Eleventh Edition James A. O’Brien 13 Introduction to Information Systems Irwin/McGraw-Hill Copyright © 2002, The McGraw-Hill Companies, Inc. All rights reserved. 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
  14. 14. Eleventh Edition James A. O’Brien 14 Introduction to Information Systems Irwin/McGraw-Hill Copyright © 2002, The McGraw-Hill Companies, Inc. All rights reserved. • 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
  15. 15. Eleventh Edition James A. O’Brien 15 Introduction to Information Systems Irwin/McGraw-Hill Copyright © 2002, The McGraw-Hill Companies, Inc. All rights reserved. • 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)

×