Industry partners with sharing agreements

Licensed third party databases

Marketing research

Question $8$

All of the following about a data lake is true EXCEPT:

Is sometimes fed $($after ETL$)$ into a data warehouse

Is sometimes used in lieu of a data warehouse

Provides a separate area from the transactional$/$operational

databases to perform analytics

Has had significant ETL processes performed on it before data are

stored in it

Is a copy of a data source with little to no ETL