ITM 102 Lecture Notes - Lecture 7: Data Mart, Uptodate, Order Fulfillment

• School: Ryerson University
• Department: Information Technology Management
• Course: ITM 102
• Professor: J.P.Pasca

Document Summary

Information granularity: refers to the extent of detail within the information. An aspect of information that depends on the situation. Real time system: provides real-time information in response to requests. Potential business effects resulting from low quality information include: Difficulty tracking revenue due to inaccurate invoices. High-quality information can significantly improve the chances of making a good decision. Good decisions can directly impact an organization"s bottom line. Database: collection of records about various business categories such as resources (inventory), events (sales, payroll), people(employees), and places (warehouse, stores) Operational is such as scm and crm maintain and access the transactional data in databases. The most common business databases today are relational database management systems. Hierarchical database model: information is organized into a tree-like structure (using parent/child relationships) in such a way that it cannot have too many relationships. Network database model: a flexible way of representing objects and their relationships.