Data: data
symbols of data referred to as data describing
the meaning of the data is referred to as semantic data, the data can not be separated to the semantics.
DataBase database (DB)
smaller redundancy, higher data independence, easy scalability.
Permanently stored, organized, can be shared.
DataBase Management System database management system (DBMS)
is located in a layer between the user data management software and the operating system. Both are the foundation of computer software.
There are data definitions, data organization, storage, management, manipulation functions
have transaction management and operation management of the database, the establishment and maintenance functions.
DataBase System database system (DBS)
by the database, database management systems, application and the database administrator consisting of storage, management, processing, maintenance of system data.
Users - "system -" Application development tools - "Database Management System -" Operating System - "Database (hardware).
