ITM 350 Lecture Notes - Lecture 4: Database Model, Business Process Reengineering, Glossary Of Computer Hardware Terms

• School: Ryerson University
• Department: Information Technology Management
• Course: ITM 350
• Professor: Franklyn Prescod

Document Summary

Enterprise-wide systems: any info system used throughout an enterprise. Can be purchased as one major piece or by linking together multiple systems using middleware and xml tools. Middleware permits erp systems to share data with legacy systems. Middleware: general term for any software/programming that serves to communicate between two separate programs. Legacy system: an old, outdated application that has not yet been replaced/upgraded. Have a comprehensive set of functionalities and use databases to hold data. Overcome traditional functional "silos" that have inhibited the free flow of info in enterprises. Erp require massive business analysis or bpr. Business process reengineering (bpr): a fundamental and radical design of existing business processes to add value or prepare for new technologies. A network of configuration evolved from networks built around servers to power clients. Erp systems are client-server systems built on relational database systems. Client server systems are defined on three elements of info: data, processing (applications) and output (display)