What is a collection of large, complex data sets, including structured and unstructured data, which cannot be analyzed using traditional database methods and tools

The correct answer is: Big Data.

Explanation:

Big Data refers to the group of data or a combination of data groups which size (volume), complexity (variability), and developing speed (speed) make their capture, management, processing or analysis difficult through conventional technologies and tools such as database and conventional statistics. The most important to consider with Big Data is what companies use it for because it can help businesses to make better decisions and strategic business movements.