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Author: whafa Big funky green star, 20000 posts Top Recommended Fools Old School Fool Add to my Favorite Fools Ignore this person (you won't see their posts anymore) Number: of 21899  
Subject: Re: Another day, another set back. Date: 8/19/2013 1:11 PM
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That's an understatement. There's at lease one person (me), that doesn't even know what RDBMS is and I suspect I'm not alone.

They are the foundation of nearly all modern data storage systems. Consider a collection of data that are related to each other (employees at a company, office locations within the company). The RDBMS manages the relationships between all of the data and ensures that changes in one area are propagated to other areas (or rejected altogether).

If you think of an excel worksheet as a single unit of data, the RDBMS is the plumbing that relates that sheet to other sheets in your universe of information, and gives you an interface for viewing and changing the data. Fascinating stuff. Excel was never designed to enforce these rules. It is a matrix calculator.
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