1. INTRODUCTION TO TRANSACTION PROCESSING SYSTEM

2. EXAMPLES

3. Rapid Processing Reliability Standardisation Controlled access
Advantages of TPS
Rapid Processing
Reliability
Standardisation
Controlled access

4. Disadvantages in Real Time TPS
The disadvantage is that there is a chance of double booking. Also, transaction processing systems need to use direct acess files, serial access media such as magnetic tape cannot be used.
Disadvantages in Real Time TPS
CONCURRENCY
ATOMICITY
Disadvantages in Batch TPS
CHEQUE CLEARANCE
BILL GENERATION
CREDIT CARD TRANSACTIONS

5. ORGANISATION’S EXPECTATION FROM TRANSACTION PROCESSING SYSTEM
Process data generated by and about transactions
Maintain a high degree of accuracy and integrity
Produce timely documents and reports
Increase labour efficiency

6. Continued…… Help provide increased service
Help build and maintain customer loyalty
Achieve competitive advantage

7. Aspects of TPS relevant to “A large retail company”
Real-time transaction processing
Manual transaction systems
Components of a TPS
Credit card sales transactions
Database and files

8. Transaction Processing Systems Various TPS Technologies
Some TPS Technologies
Online Transaction Processing (OLTP)
Allows managers to run client-server transactions to obtain some information of interest e.g. CICS
Web-based Transaction Processing
Similar to OLTP
Allows managers to run transactions via the web
Object-Oriented Transaction Monitors (OTM)
Objects that monitor transactions in web-based applications
When an activity happens within a web site, the object sends a query to the data warehouse to record information about what happened (e.g., customer checked out)
Customer integrated systems

9. MASTER FILE TRANSACTION FILES REPORT FILE WORK FILE PROGRAM FILE
FILES IN TPS
MASTER FILE
TRANSACTION FILES
REPORT FILE
WORK FILE
PROGRAM FILE

10. HARDWARES FOR TPS PHYSICAL ARTIFACTS AND TECHNOLOGY

11. TRADITIONAL TPS WERE CENTRALIZED AND RUN ON A MAINFRAME
TODAY…
MAINFRAMES
CLIENT/SERVER SYSTEM
CLUSTER OF SERVERS, EACH
SERVER RUNNING MULTIPLE
PROCESSORS

12. Transaction Processing Systems TPS SOFTWARES
SOCIAL SOFTWARES
ANTI-SPYWARE
PRIVACY-INVASIVE SOFTWARE
CUSTOMER INTEGRATED SOFTWARES e.g.P18
SERVICE ORIENTED SOFTWARES e.g.SAT
BROKERAGE SOFTWARES

13. Transaction Processing Systems Typical Tasks
POS
Terminal
File
Product
Processing
System
Inventory
Files
Department
Sales Files
Customer
Makes a
Purchase
Master