1. McGraw-Hill Technology Education
Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.

2. Survey of Database Systems
Chapter 11B
Survey of Database Systems

3. Enterprise Software Enterprise definitions
Systems throughout the entire organization
Very large scale computer systems
Historically found on mainframes
Modern enterprise runs on PC servers

4. Enterprise Software Suite of programs
Handles thousands of users at once
Access to millions of records
Looks and acts like a DBMS

5. Enterprise Software Distributed applications
Software installed on several machines
Data stored on several machines
Data placed closest to appropriate users
Work load is balanced among machines
Teaching tip
An example is very appropriate at this point. A good example is a sales company. There are two divisions: sales and warehousing. The enterprise application allows sales people to see inventory levels. The application is distributed. The inventory levels are stored on servers in the warehouse. The customer and order information are stored on servers in the sales division

6. Enterprise Software Tiers Software between user and data
Tiers control one part of enterprise
Two tier systems
Data storage
Client interface
Three tier systems
Add calculation
There is no limit to the tiers

7. Enterprise Software Meet the needs of many users
Applications are very complex
Support many types of users
Supports many different nationalities
Must support large data flow

8. Enterprise Software Electronic document management EDM
Tracks and organizes documents
Collaboration between team members
Database tracks all changes

9. Databases at Work Required in nearly every business Can automate tasks
Increases business efficiency

10. Databases at Work Knowledge discovery Technique of databases
Generates questions for the database
Those you did not think to ask

11. Databases at Work Data mining Type of knowledge discovery
Searches for trends and patterns
Makes predictions on events
Supplies ideas for improving business
Teaching tip
Demonstrate this using Search for an author (Lee Cottrell works well!) and open one of the book entries. Below the description you will see several links describing suggested products. Data mining provides these links.

12. Databases at Work Internet uses Commercial websites use databases
Supply image and price information
Specialty databases exist online
Search engines track links
Teaching tip
Access a few specialty databases in class to demonstrate their power. An excellent example is terraserver.Microsoft.com.

13. Databases at Work Databases for individuals
Manage aspects of your life
Organizes hobbies for school
Microsoft Access is the most popular
Discussion point
An employer for my school suggested a way to improve student marketability. He states that he looks for the student that has gone beyond their studies at school and applied their learning to a hobby. As an example, he hires people with databases for their music or personal web sites.

14. Common Corporate DBMS Oracle Most popular enterprise-level DBMS
Very flexible storage system
Can be very complex
Platform independent
Offers a wide range of solutions

15. Common Corporate DBMS DB2 Venerable IBM database Platform independent
Only database using pure SQL
Teaching tip
Remind students that SQL stands for Structured Query Language.

16. Common Corporate DBMS Microsoft SQL Server Fastest growing DBMS
Only runs on Microsoft platforms
Eight different versions exist
Extremely scalable architecture
Software can grow with the data

17. Common Corporate DBMS MySQL Leading DBMS for Linux Very inexpensive
Features are those needed in business
Often faster than other DBMS
Platform independent
Teaching tip
An interesting article contrasting the strengths and weaknesses of these products can be found at

18. Chapter 11B
End of Chapter