data maintenance | The smart campus messaging system relies on a unified distributed database. | A single database. Different application database types are different. |
Data Sources | In addition to basic business data, it also includes a variety of context-aware data. | It’s just business data, and the databases of different applications are mostly incompatible. |
data processing | Includes unified data mining and analysis, big data analysis | Various types of system data mining are independent, and its mining data cannot be used by other systems. |