Briefly explain how operational data and decision support data differ What is data warehouse? How is data for data wareh
Posted: Thu May 05, 2022 12:55 pm
Briefly explain how operational data and decision support data differ What is data warehouse? How is data for data warehouse prepared, and how is it implemented? • What is a star schema and how are they constructed? What is data mining and what role does it play in decision support? Describe Online Analytical Processing (OLAP). . How are SQL extensions used to support OLAP-type data manipulations?