ETL Validator for Data Migration testing

Recently, I stumbled upon a relatively old article on Data Migration from TDWI that explains what it is, how it is different from other integration patterns, popular techniques and the typical challenges associated with this pattern.

 

Though the article is more than 5 years old, it still aligns with what we are seeing in the field today. Most of the customers use ETL technologies for their migration projects and thus the problems encountered are very similar to the ones we see in data warehousing patterns.

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