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Posts tagged ‘Data Integration’

23
Jun

Harry Potter, The Elephant, The FBI and The Data Warehouse


In the ancient Indian parable of the elephant, six blind men touch an elephant and report  six very different views of the same animal. Compare this scenario to a data warehouse that is getting data from six different sources. “Harry Potter and the Sorcerer’s Stone” as a field in a database can be written as “HP and the Sorcerer’s Stone” or as “Harry Potter I” or simply – “Sorcerer’s Stone”.  In the data warehouse these are four separate movie titles.  For a Harry Potter fan, they are the same movie.  Now increase the number of movies to cover the entire Harry Potter series and further include fifty  languages.  You now have a set of titles which may perplex even a real Harry Potter aficionado.

What does this have to do with data analytics?

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