ELT (extract, load, transform) "provides a modern alternative to ETL" (Panoply). "Instead of transforming the data before it’s written, ELT leverages the target system to do the transformation. The data is copied to the target and then transformed in place" (Ironside).

"One of the main attractions of ELT is its reduction in load times relative to the ETL model. Taking advantage of the processing capability built into a data warehousing infrastructure reduces the time that data spends in transit and is more cost-effective. This capability is most useful for processing the large data sets required for business intelligence (BI) and big data analytics" (TechTarget).


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