2-700-04A Lecture Notes - Lecture 8: Foreign Key, Data Warehouse, Olap Cube
Document Summary
All about question 7 in the essay document. Data that is so big that our conventional tools are not capable of handling. Velocity: your data is coming very fast, a company that generates data very fast. Erp and it will generate information"s very quickly. Volume: the amount of data is very large. Where to store data to get enough electricity. Variety: the data is not simple to categorize. The core benefit is the ability to convert any data into a knowledgeable insight. Analytics takes transactional data that company generates and converts it into a form that is easier to understand what"s going on. The extensive use of data, statistical and quantitative analysis, explanatory and predictive models, and fact-based management to drive decisions and actions. Four types of analytics: reporting and descriptive analytics. Scorecards and visual: you can make a visual support with your data like graphics. Query and drill down: you can transform your data into a cube.
