REAL TIME ONLINE TRANSACTION PROCESSING Option 1 Transaction

REAL TIME (ON-LINE) TRANSACTION PROCESSING Option 1: Transaction Processing Systems

Real Time (On-line) Transaction Processing Real time Transaction processing systems complete transaction immediately once they have been initiated. In most examples of real time transaction an online user initiates the transaction. Online users include employees of the organisation and also customers entering details via the web or other networks. It is important to note that when a user directly interacts with the system they become a participant in the system.

Real Time (On-line) Transaction Processing Real time Transaction processing systems are often known as ONLINE processing or OLTP. In real-time or online systems, as apposed to batch systems, each transaction must take place within a reasonable amount of time. If an operation takes longer than a second or two then feedback must be provided to assure the user that processing is still taking place. For example “online web purchases” typically ask the user NOT to hit refresh but to wait whilst a transaction is completed.

Real Time (On-line) Transaction Processing There are three examples that the syllabus talks about in relation to Real Time TPS’s. 1. 2. 3. Reservation Systems 387) Point of Sale Systems 392) Library Loans Systems 397) (Text pge 382(Text pge 387(Text pge 392 -

Real Time (On-line) Transaction Processing For each of these three scenarios please complete the following table… Real Time Processing System: ‘Transaction’ Processes Data/Information Technology