The following description of the characteristics of big data and traditional database data is incorrect ()

The following description of the characteristics of big data and traditional database data is incorrect ()

A. Big data is the data processing of "fish in the pond", the goal is clear; traditional database data processing, is through some "fish" to determine the existence of other kinds of "fish" (correct answer)

B. Big data is the data processing of "fish in the pond", the goal is clear; traditional database data processing, is through some "fish" Judge whether other kinds of "fish" exist (correct answer)

B. The data size of big data is very large, usually in terabytes and petabytes as the unit of data processing; the data size of traditional databases is generally smaller, often in MB as the unit of data processing

C. In big data, there is no unified data tools, that is, "Nosizefitsall"; in traditional databases, in a particular business scenario, often a tool to solve a problem, that is, "Onesizefitsall"

D. Big Data deals with many types of data, including structured, unstructured and semi-structured data; traditional databases have a single type of data, often dominated by structured data