DBM301Xuất hiện trong 1 đề thi
What is Data transformation?
Các lựa chọn
AData transformation is the process of converting the data from heterogeneous sources to a unified data warehouse format or semantics.
BData transformation is the process of detecting errors in the data and rectifying them when possible.
CData transformation is the function of propagating the updates from the data sources to the warehouse.
DData transformation is the function of propagating the updates from the warehouse to the data sources.