ADMS 2511 Chapter Notes - Chapter 8: Customer Relationship Management, Enterprise Application Integration, Expense Management
27 Feb 2017
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Document Summary
Adms 2511 ch 8 information systems within the organization. Transaction processing system: transaction business event that generates data worth being captured and stored in database. Product manufactured, person hired, payroll cheque: transaction processing systems (tps inputs for functional area information systems nad business intelligence systems, ecommerce, knowledge management, etc. Handle high volumes and variation while avoiding errors and maintaining security: why tps is important. Multiple people have access to data, most common error is data lost or incomplete. Important to preserve audit trail of transaction flow: audit trail is legally required, dependable and reliable computers is essential, tps function is usually standardized. People/sensor collect data and entered into computer. Source data automation: process data automatically due to large volume. Batch processing: data collected from transactions as they occur and placed in batches. Online transaction processing (oltp: transactions processed online as soon as they occur.
