What parts does the database system consist of?

A database system generally consists of four parts: database, hardware, software and personnel;

1, the database refers to the collection of organized data stored in the computer for a long time, which can be enjoyed by * * *. The data in the database is organized, described and stored according to a certain mathematical model, which has less redundancy, higher data independence and easy expansibility and can be enjoyed by all kinds of users.

2. Hardware is all kinds of physical devices that constitute a computer system, including external devices needed for storage. Hardware configuration should meet the needs of the whole database system.

3. Software includes operating system, database management system and application programs. Database management system is the core software of database system, which works with the support of operating system to solve how to organize and store data scientifically and how to obtain and maintain data efficiently. Its main functions include: data definition function, data operation function, database operation management and database establishment and maintenance.

4. There are four main categories of personnel. System analysts and database designers are responsible for the requirements analysis and specification of application systems; Application programmer, responsible for using database to write application programs; End users access the database by using the interface or query language of the system; The database administrator is responsible for the overall information control of the database.

Extended data:

Public database system

1、MySQL

Fast, multithreaded, multi-user and powerful SQL database server. MySQL server supports the use of mission-critical and high-load production systems, and can also be embedded in large-scale deployed software.

2、SQL Server

Relational database management system introduced by Microsoft. It has the advantages of convenient use, good expansibility and high integration with related software. Microsoft SQL Server is a comprehensive database platform, which provides enterprise-level data management through integrated business intelligence (BI) tools.

3. Oracle Bone Inscriptions

Oracle has a complete product line, covering almost all application fields, with large scale, perfect security, and powerful functions, which can support multiple instances to run at the same time. It can run on all mainstream platforms. Fully support all industrial standards. Adopt a completely open strategy. Allow customers to choose the most suitable solution. Give full support to developers.

Baidu Encyclopedia-Database System