ETL Testing – Unit Testing vs. Quality Assurance for Data Warehouse-iCEDQ

ETL Testing – Unit Testing vs. Quality Assurance for Data Warehouse

Normally, the ETL developers as part of the development effort will do unit ETL testing of the ETL processes. These test include some spot tests and summary tests. A unit ETL test is a test written by the programmer to verify that a relatively small piece of ETL code is doing what it is intended to do. They are narrow in scope, they should be easy to write and execute, and their effectiveness depends on what the programmer considers to be useful.

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