What's Involved in Data Warehouse Testing?
According to authors Doug Vucevic and Wayne Yaddow in the book “Testing the Data Warehouse Praticum” (Trafford Publishing), some of the main challenges to test for in data warehouse testing are:
- Data Completeness
- Data Transformation
- Data Quality
- Regression Testing
The only way to perform these tests in a reasonable time frame, which will compare huge volumes of data, is through automating the tests.
what the average organization loses annually because of bad data
22% estimated this annual loss resulting from bad data
4% put that figure at this astounding amount
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