1. Introduction to Database Processing
Chapter 1
Introduction to
Database Processing
David M. Kroenke
© 2000 Prentice Hall

2. Database Example 1 Mary Richards Housepainting Chapter 1
Self Employed Entrepreneur
Single User Database
3 Tables (Customers, Jobs, Source)
Data Needs:
Track how customers, jobs, and referrals relate
Record bid estimates
Track referral sources
Produce mailing labels
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3. Page 4 SOURCE CUSTOMER JOB
Tables of Data for Mary Richards Housepainting, Figure 1-1
© 2000 Prentice Hall

4. Database Example 2 Treble Clef Music Chapter 1
Multi-User database on LAN
3 Tables (Customers, Instruments, Rentals)
Data Needs:
Track instrument rentals
Handle multi-user issues
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5. Customer Form, Figure 1-5a
Page 7
© 2000 Prentice Hall

6. Rental Agreement Form, Figure 1-5b
Page 7
© 2000 Prentice Hall

7. Instrument Form, Figure 1-5c
Page 8
© 2000 Prentice Hall

8. Database Example 3 State Licensing & Vehicle Registration Chapter 1
52 Centers, 37 Offices, Hundreds of Users
40 Tables
Data Needs:
Track drivers licensing issues
traffic violations, accidents, arrests, limitations
Track auto registration issues
revenue, law enforcement
Integrate the needs of many departments
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9. Database Example 4 Calvert Island Reservations Centre Chapter 1
Chamber of Commerce
Promotional database provides access to data
Customer and reservation database processes
Data Needs:
Store multimedia data (photos, video clips, sound clips)
Must be Web / browser accessible
Uses Web technologies including HTTP, DHTML, and XML
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10. Comparison of Database Examples
Chapter 1
Comparison of Database Examples
Figure 1-8
Page 10
© 2000 Prentice Hall

11. DBMS Relationships
Chapter 1
Figure 1-9
Page 11
© 2000 Prentice Hall

12. File-Processing Systems
Chapter 1
Figure 1-10
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© 2000 Prentice Hall

13. Problems with File-Processing Systems
Chapter 1
Problems with File-Processing Systems
Data are separated and isolated
Data are often duplicated
Application program dependent
Incompatible data files
Difficult to understand
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14. File-Processing Systems
Chapter 1
File-Processing Systems
Create problems with data integrity because data is:
duplicated duplicated
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15. Benefits of DBMS Data is integrated Data duplication is reduced
Chapter 1
Benefits of DBMS
Data is integrated
Data duplication is reduced
Data is program independent
Data is easy to understand
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16. “a self-describing collection of integrated records”
Chapter 1
Database
“a self-describing collection of integrated records”
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17. Chapter 1
Data Dictionary
“a description of the structure of the database; data directory; metadata”
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18. Hierarchy of Data Elements
Chapter 1
Figure 1-11 (a) File Processing (b) Database Systems
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© 2000 Prentice Hall

19. Transactions “representations of events” making a sale
Chapter 1
Transactions
“representations of events”
making a sale
receiving a payment
authorizing a new hire
accepting a shipment
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20. Early Relational Model
Chapter 1
Early Relational Model
1970, E.F. Codd
Normalization Process
Compute Intensive
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21. Microcomputer DBMS Ashton - Tate: dBase II, now Borland
Chapter 1
Microcomputer DBMS
Ashton - Tate: dBase II, now Borland
Oracle, Focus, Ingress ported down
Paradox, Revelation, MDBS, Helix, Foxpro, Access built specifically for microcomputers
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22. Current Database Trends
Chapter 1
Current Database Trends
Client-Server Applications
Integration of Internet Technology
Distributed Processing
Object-Oriented DBMS
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