Informatica Pushdown Optimization with CoSort

Big data integration activities can happen outside the database in an extract, transform, load (ETL) environment, or inside the database in ELT:

http://www.iri.com/blog/data-transformation2/etl-vs-elt-we-posit-you-judge/

One example of an ELT operation would be Informatica’s Pushdown Optimization option, in which users transform data in a relational database like Oracle, or in Teradata. Read More