Capella University Data Warehouse and Online Analytical Processing Discussion

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Question Description
Write 350 words.

Business intelligence (BI) is a term that refers to a set of best business practices and software tools to support business decision making under fast changing competitions and growing globalization. The earliest generation of BI system is called the Decision Support System (DDS) which consists of a data warehouse system and often an online analytical processing (OLAP) system. Please first study the relevant content in the course materials, and also investigate the Library and Internet for information about the DDS, data warehouse and OLAP, and then based on the results of your research, discuss the main difference between a data warehouse system and an OLAP system in the following aspects:

Suitable applications
System architecture
System functions
Please also discuss why a DSS needs both a data warehouse system and OLAP system. Also discuss why DSS has evolved further in recent years to include more advanced tools in addition to data warehouse and OLAP.

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