Is it right that big data has the characteristic of never forgetting. Big data is characterized by.

1, Volume (Volume): the size of the data determines the value and potential information of the data under consideration.

2, Variety (Variety): the diversity of data types.

3, Velocity (Velocity): refers to the speed of obtaining data.

4, Variability (Variability): impedes the process of processing and managing data efficiently.

5, Veracity (Veracity): the quality of data.

6, Complexity (Complexity): the huge amount of data and multiple sources.

7, Value (Value): rational use of big data to create high value at low cost.