1. Chapter 6 6-1 Data: Business Intelligence (Chapter 6) Jobi Wall, Brandon Kats, and Shawn Reid

2. Chapter 6 6-2 1. Explain the four primary traits that determine the value of information. 2. Describe a database, a database management system, and the relational database model. 3. Identify the business advantages of a relational database. 4. Explain the business benefits of a data-driven website. CHAPTER 6: LEARNING OUTCOMES

3. Chapter 6 6-3 THE BUSINESS BENEFITS OF HIGH-QUALITY INFORMATION Why is High Quality Information important? Information Type: Transactional Information Analytical Information

4. Chapter 6 6-4 THE BUSINESS BENEFITS OF HIGH-QUALITY INFORMATION Information Timeliness  Real-time Information  Real-time System Information Quality  Accurate, Complete, Consistent, Unique, and Timely Information Governance  Data control

5. Chapter 6 6-5 Database—Maintains information about various types of objects, events, people, and places Database Management Systems (DBMS)— Allows users to create, read, update, and delete data in a relational database STORING INFORMATION IN A RELATIONAL DATABASE MANAGEMENT SYSTEM

6. Chapter 6 6-6 STORING INFORMATION IN A RELATIONAL DATABASE MANAGEMENT SYSTEM  Relational database model- o Stores information in the form of logically related two dimensional tables. http://www.youtube.com/user/SASsoftware?v=bvHgOyj5a2s

7. Chapter 6 6-7 USING A RELATIONAL DATABASE FOR BUSINESS ADVANTAGES Increased Flexibility  A database needs to handle changes quickly and easily. Increased Scalability and Performance  Scalability—Refers to how well a system can adapt to increased demands  Performance—Measures how quickly a system performs a certain process or transaction

8. Chapter 6 6-8 USING A RELATIONAL DATABASE FOR BUSINESS ADVANTAGES Reduced Data Redundancy  Data Redundancy—The duplication of data or storing the same information in multiple places Increased Information Integrity (Quality)  Information Integrity—Measures the quality of information

9. Chapter 6 6-9 USING A RELATIONAL DATABASE FOR BUSINESS ADVANTAGES Increased Information Security  Information is an organizational asset and must be protected Databases offer several security features:  Password – Authenticates user  Access Level  Access Control – Who has access? (Read only).

10. Chapter 6 6-10 DRIVING WEBSITES WITH DATA Data-driven website advantages:  Easy to manage content  Easy to store large amounts of data  Easy to eliminate human errors

11. Chapter 6 6-11 DRIVING WEBSITES WITH DATA More Advantages-  Web browsers are easier to use than directly accessing the database using a custom query tool.  Web interface requires few or no changes to the database model.  Cost less to add web interface. Simplicity Little Change Lower Cost More Revenue

12. Chapter 6 6-12 HOW A WEBSITE ACCESSES DATA www.zappos.com User’s ScreenZappo’s Web Server

13. Chapter 6 6-13 HOW A WEBSITE ACCESSES DATA DatabaseResult