BUS 237 Chapter Notes - Chapter 8: Decision Support System, Management Information System, Online Transaction Processing

• School: Simon Fraser University
• Department: Business Administration
• Course: BUS 237
• Professor: Zorana Svedic

Document Summary

Examples are a value of b for customer gender and a value of. 9999 for a north american phone number, a part colour of green, and an email address whyme@guesswhoiam. org. All these values are problematic when data mining. Customer name and account balance is large granularity data. Customer name, balance and the order details and payment history of every customer order is smaller granularity. E-commerce data that describe a customer"s clicking behaviour. Such data include everything the customer does at the website. Online transaction processing (oltp) collecting data electronically and processing transactions online. Occurs when data are collected in oltp but are not used to improve decision making. Systems that focus on making data collected in oltp useful for decision making. A dynamic type of reporting system that provides the ability to sum, count, average, and perform other simple arithmetic operations on groups of data.