Monthly Archives: April 2009

The storyteller’s community

There is a world of storytellers and in that world there is a community just as much as there is a community in software testing. Katharine Hansen reached out to me recently with a warm welcome to the community of … Continue reading

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Testing SCDs

An SCD is a slowly changing dimension in a data warehouse. There are three different forms of SCDs. SCD1 overwrites data, SCD2 maintains historical data and SCD3 maintains some of the data. SCDs and testing in a data warehouse is … Continue reading

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