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Fact Table Updates

Started by c6lapsteel, 31 May 2006 10:37:39 AM

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c6lapsteel



Take for example a Sales Fact table which contains Sales Value in local currency and Sales Value in a standard currency (Euro).

The business requires that yearly average exchange rates should be used to convert from local to standard currencies. This means that at each month end, when yearly rates are republished, the Sales Value (Euro) must be recalculated for all records for the current year.

What does experience suggest is the best approach to updating Fact records? A SQL stored procedure (called from a JobStream node at each month end) or updating within DataManager. (This would presumable require re-staging the data for the current year, and then updating back into the Fact Table?).

Thanks in advance,