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13 Data Resource Management
<ul><li>Explain the importance of data resource management to an organization, and how it can be implemented by database m...
<ul><li>Provide examples to illustrate each of the following concepts: </li></ul><ul><ul><li>Major types of databases </li...
Logical Data Elements Employee Record 2 Employee Record 1 Employee Record 3 Employee Record 4 Name SS Salary Name SS Salar...
Database Management Systems Operating System Database Management System Application Programs Databases Data Dictionary Dat...
Major Types of Databases Network  Server External Databases on the Internet & Online Services Client  PC or NC Operational...
Data Warehouse and Data Mining Client  PC or NC Analytical Data Store Enterprise Warehouse Data Mart Data  Acquisition Sub...
Web-Based Systems Web Browser Web Server Software Network Server The Internet Intranets Extranets Client PCs or NCs HTML p...
Data Resource Management Data Administration Data Planning Database Administration
Database Structures Employee 2 A Empno Ename Etitle Dept 1 2 B 3 C Relational Structure Network Structure Hierarchical Str...
Database Structures (cont) East West Denver Feb Actual  Budget Margin Sales TV VCR TV VCR Multidimensional Database Struct...
Accessing Files and Databases Key Fields Sequential Access Sequential Organization Indexed Sequential Access Method Key Tr...
Database Development User Needs Description 1.  Data Planning Enterprise Model 2.  Requirements Specifications 3.  Concept...
<ul><li>Data resource management is a critical management activity.  Management roles include database administration, dat...
<ul><li>Database management systems are software packages that simplify the creation, use, and maintenance of databases. <...
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Fifth Edition 1 M a n a g e m e n t I n f o r m a t i o n S y ...

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Fifth Edition 1 M a n a g e m e n t I n f o r m a t i o n S y ...

  1. 1. 13 Data Resource Management
  2. 2. <ul><li>Explain the importance of data resource management to an organization, and how it can be implemented by database management, database administration, and data planning activities. </li></ul><ul><li>Outline the advantages of the database management approach to managing the data resources of a business. </li></ul><ul><li>Explain how database management software helps business professionals and supports business operations and management of a business. </li></ul>Chapter Objectives
  3. 3. <ul><li>Provide examples to illustrate each of the following concepts: </li></ul><ul><ul><li>Major types of databases </li></ul></ul><ul><ul><li>Data warehouses and data mining </li></ul></ul><ul><ul><li>Logical data elements </li></ul></ul><ul><ul><li>Fundamental database structures </li></ul></ul><ul><ul><li>Database access methods </li></ul></ul><ul><ul><li>Database development. </li></ul></ul>Chapter Objectives
  4. 4. 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. Database Management Systems Operating System Database Management System Application Programs Databases Data Dictionary Database Management <ul><li>Database Development </li></ul><ul><li>Database Interrogation </li></ul><ul><li>Database Maintenance </li></ul><ul><li>Application Development </li></ul>
  6. 6. Major Types of Databases 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
  7. 7. 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. 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. Data Resource Management Data Administration Data Planning Database Administration
  10. 10. 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. Database Structures (cont) East West Denver Feb Actual Budget Margin Sales TV VCR TV VCR Multidimensional Database Structure <ul><li>Attributes </li></ul><ul><li>Customer </li></ul><ul><li>Balance </li></ul><ul><li>Operations </li></ul><ul><li>Deposit </li></ul><ul><li>Withdraw </li></ul>Bank Account Object <ul><li>Attributes </li></ul><ul><li>Credit Line </li></ul><ul><li>Mthly Statement </li></ul><ul><li>Operations </li></ul><ul><li>Calculate Interest </li></ul><ul><li>Print Mthly </li></ul><ul><li>Statement </li></ul>Checking Account Object <ul><li>Attributes </li></ul><ul><li>Credit Line </li></ul><ul><li>Mthly Statement </li></ul><ul><li>Operations </li></ul><ul><li>Calculate Interest </li></ul><ul><li>Print Mthly </li></ul><ul><li>Statement </li></ul>Savings Account Object Object-Oriented Database Structure
  12. 12. Accessing Files and Databases Key Fields Sequential Access Sequential Organization Indexed Sequential Access Method Key Transformation Direct Access URLs
  13. 13. 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. <ul><li>Data resource management is a critical management activity. Management roles include database administration, data planning, and data administration. </li></ul><ul><li>Under the database management approach, data records are consolidated into databases that can be accessed by many different application programs, serving multiple users. </li></ul>Chapter Summary
  15. 15. <ul><li>Database management systems are software packages that simplify the creation, use, and maintenance of databases. </li></ul><ul><li>Several types of databases are used by organizations including operational, distributed, external, data warehouses and data marts. </li></ul><ul><li>Database development for large corporate databases requires a top-down planning effort involving planning, requirements specification and logical and physical design. </li></ul>Chapter Summary (cont)

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