1. Chapter 4: Managing Information Resources with Databases Copyright © 2013 Pearson Education, Inc. publishing as Prentice Hall Chapter 4 - 1

2. Learning objectives 1.Information resources 2.Database advantages 3.Relational database 4.Master data management 5.Data warehouse 6.Information management Copyright © 2013 Pearson Education, Inc. publishing as Prentice Hall Chapter 4 - 2

3. YouTube Founded in 2005 Goal to create worldwide community Database of videos Within one year, 100 million videos per day Copyright © 2013 Pearson Education, Inc. publishing as Prentice Hall Chapter 4 - 3

4. Structured information Unstructured information Semi-structured information Metadata Copyright © 2013 Pearson Education, Inc. publishing as Prentice Hall Chapter 4 - 4 Information resources

5. Accuracy Precision Completeness Consistency Timeliness Bias Duplication Copyright © 2013 Pearson Education, Inc. publishing as Prentice Hall Chapter 4 - 5 Quality of information

6. Record Field Table Copyright © 2013 Pearson Education, Inc. publishing as Prentice Hall Chapter 4 - 6 Managing information

7. Redundancy and inconsistency Lack of integration Inconsistent definitions Dependence Copyright © 2013 Pearson Education, Inc. publishing as Prentice Hall Chapter 4 - 7 File processing systems

8. Reduced redundancy Integrity and accuracy Ability to adapt to changes Performance and scalability Security Copyright © 2013 Pearson Education, Inc. publishing as Prentice Hall Chapter 4 - 8 Databases

9. One to one (1:1) One to many (1:M) Many to many (M:M) Copyright © 2013 Pearson Education, Inc. publishing as Prentice Hall Chapter 4 - 9 Database architecture

10. Tables of records Link field in one table to field in another table Separates data from paths to retrieve data Copyright © 2013 Pearson Education, Inc. publishing as Prentice Hall Chapter 4 - 10 Relational database

11. Entities and attributes Primary key Normalization Copyright © 2013 Pearson Education, Inc. publishing as Prentice Hall Chapter 4 - 11 Data model (1:2)

12. Relationships and foreign keys Complex relationships Copyright © 2013 Pearson Education, Inc. publishing as Prentice Hall Chapter 4 - 12 Data model (2:2)

13. Structured query language (SQL) Interactive voice response (IVR) Natural language interfaces Copyright © 2013 Pearson Education, Inc. publishing as Prentice Hall Chapter 4 - 13 Retrieving information

14. Copyright © 2013 Pearson Education, Inc. publishing as Prentice Hall Chapter 4 - 14 Managing the database Performance tuning and scalability Integrity, security, and recovery Documentation

15. Multiple databases Integration challenges Shadow systems Master data management Data stewards Copyright © 2013 Pearson Education, Inc. publishing as Prentice Hall Chapter 4 - 15

16. Data warehouses Building data warehouses Extract, transform, and load (ETL) Data mining Copyright © 2013 Pearson Education, Inc. publishing as Prentice Hall Chapter 4 - 16

17. Human element Ownership issues Databases without boundaries Stakeholders Copyright © 2013 Pearson Education, Inc. publishing as Prentice Hall Chapter 4 - 17

18. Summary 1.Information resources 2.Database advantages 3.Relational database 4.Master data management 5.Data warehouse 6.Information management Copyright © 2013 Pearson Education, Inc. publishing as Prentice Hall Chapter 4 - 18

19. Video surveillance Automatic plate number recognition Database Queries and data mining Privacy Copyright © 2013 Pearson Education, Inc. publishing as Prentice Hall Chapter 4 - 19 UK police case

20. Colgate Palmolive case $15 billion sales, 70 countries Consistency in products and data Colgate Business Planning (CBP)—profit, loss and ROI by product, region, and retailer Reinvested $100 million in most profitable promotions, goal $300 million Copyright © 2013 Pearson Education, Inc. publishing as Prentice Hall Chapter 4 - 20

21. Copyright © 2013 Pearson Education, Inc. publishing as Prentice Hall Chapter 4 - 21