RMG 300 Study Guide - Final Guide: Wide Area Network, Grid Computing, Wi-Fi

• School: Ryerson University
• Department: Retail Management
• Course: RMG 300
• Professor: Norman Shaw

Document Summary

Slightly longer answers: you are designing a data cube for an inventory management system. Uses a large distributed database that runs on a grid computing system. Give examples of each: lan more common, interact with regularly. Quicker data speeds: lan example: wi-fi at ryerson university, wan networks that span a large area, commonly reigional, national or international. Give examples of how a company would use big data: 4 v"s, volume finer and finer granularity. Example: facebook = 10 000 000 messages per day: velocity smaller and smaller time intervals. Example: credit card authorization in milliseconds: variety structured and unstructured. Example: 80% of data is unstructured e. g. photos, social media updates: veracity trustworthiness of the data. When using a pos, give examples of when oltp would be used and when end of period processing would make more sense. Follows business rules to turn data into information must be done on a daily basis. Updates system to maintain most accurate sales information.