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ETL can include the destruction of raw data between the T & L. ELT assumes it is retained. This is a legacy from days when storage was expensive and it often wa
by tomnipotent 7y ago
ETL can include the destruction of raw data between the T & L. ELT assumes it is retained. This is a legacy from days when storage was expensive and it often wasn't tenable to retain everything.
- unityByFreedom 7y agoWe held onto middle data when I worked in ETL 15 years ago. It's normal to save data in the middle for unit testing and lookup tables. I agree with GP this doesn't need a new term.