The difference between database and database system:
Database (DataBase, referred to as DB)
The database is "organized according to the data structure. A warehouse for storing and managing data”.The database can be shared by various users and has the characteristics of small redundancy, close connection between data and high data independence.
Database system:
Database System (DBS) is a system composed of a database and its management software.
The database system consists of 5 parts: hardware system, database collection, database management system, application system and personnel.
Among them, personnel include: database administrators, system analysts, database designers, application programmers and end users, etc. Among them, database administrators are professionals who plan, design, maintain, and monitor databases.
Computer hardware: including CPU, memory, monitor, disk and its external devices. It requires a large enough memory, a large enough disk, and a system with high channel capabilities.
Software: DBMS, operating system that supports DBMS operation, application development tools, etc.
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