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Portals and very large Data Warehouses

What has been your experience with very large Data Warehouses in association with portals? eg. Terabyte plus?

It all boils downs to what you integrate in Portal that comes from a DW (a result of a query). If your portal 'front-end' simply shows the result of a query, then it is quite similar to WEB-enabling a DW. Performance is not a major issue. But If you enrich data from several DW queries and unstructured info, and compose an complex page and implement single-sign-on, then you add up additional portal resources and things slow down not because you have a large DW but rather how a portal server needs to aggregate and integrate information. So I am not sure what you had in mind when you asked the question 'experience with Large DW and Portal'.

This was last published in June 2002

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