Extracted data,particularly when it's extracted from multiple sources,is not in usable format.Because of this problem,__________ tools have to map the field names of the same data types;and then reformat the data itself into a standard format.
A)data transformation and loading
B)data extraction and transformation
C)data query and reporting
D)data visualization

Question

Quizplus · Accepted Answer

The sentence specifically mentions "extracted data" and the need to transform it into a usable format. This suggests that the process involves both data extraction and transformation. Data transformation and loading is the process of taking data from multiple sources, mapping it into a standard format, and then storing it in a target database.

Extracted Data,particularly When It's Extracted from Multiple Sources,is Not in Usable