What is the data is one of the main characteristics of the database

1, high data *** enjoyment, low redundancy, easy to expand: database systems have a high degree of data *** enjoyment, can be used by multiple users *** with, avoiding the duplication of data storage and redundancy. At the same time, the database system also has a good scalability, can be easily expanded and add new data;

2, high data independence: database system to achieve the decoupling of data and applications, so that changes in the data will not have an impact on the application to improve the independence and flexibility of the data;

3, the data by the DBMS unified management and control: the database system Data management and control through the database management system (DBMS), including data storage, retrieval, updating and other operations to improve data security and consistency.