What Is a Data Warehouse?

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Part of the video series: Computer Questions & Answers

Summary: A data warehouse is a repository of a company's electronic data, and it usually has a multitude of redundant servers for storing data. Find out how data warehouses are used to retrieve information for data backup with help from a computer and network administration specialist in this free video on data warehouses.

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By Mark Daly
eHow Presenter

Mark Daly has experience in computer and network administration, and has worked on every Microsoft OS from DOS to Windows Server 2008. Daly serviced small business computer networks...read more

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"Hello, my name is Mark and today I'm going to explain, what is a data warehouse? A data warehouse is a repository of a company or organization's electronic data. A data warehouse would have a multitude of redundant servers, whose responsibilities are to store data, electronic data from the company's network. And also of course, on top of just storing, it should be an index for retrieving the information of mainly, it's mainly used for data backup reasons. But it can also be used in everyday use. With an Internet connection, you can access your data across the Internet, to a data warehouse. Also, data warehouse may keep off-line files like take backups of DVDs. Where a company would have a local backup at their organization and send their electronic data to a data warehouse to be stored. And that's the data warehouse."

eHow Article: What Is a Data Warehouse?