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List of the contents of this article:

• 1. What are the database softwares?
• 2、Database system mainly includes
• 3. What database management systems are there?

What are the database softwares?

Oracle database. Oracle database system is an American OA set of software products with distributed databases as the core provided by racle is the most popular client/server (Client/Server, C/S) or browser/server (Browser/Server, B/S) architecture data. One of the libraries.

Sybase: It is a relational database system developed by Sybase in the United States. It is a typical large database system in the client/server environment on the UNIX or WindowsNT platform. Informix was established in 1980 to provide professional relational database products for open operating systems such as Unix.

Oracle. ORACLE database system is a software product with a distributed database as the core.SQLServer. It is a relational database management system. Aess. It is a Windows-based desktop relational database management system launched by Microsoft. DB2.

The database system mainly includes

1. The database system DBS (Data Base System, abbreviated as DBS) is usually composed of software, database and data administrators. Its software mainly includes operating systems, various host languages, utilities and database management systems.

2. [Answer]: D [Answer] D. Analysis: The general database system is composed of DB, DBMS, DBA, OS and users.

3. Software: including operating system, database management system and application.Database management system (DBMS) is the core software of the database system. It works with the support of the operating system to solve the problem of how to organize and store data scientifically and how to efficiently obtain and maintain data.

What database management systems are there?

1. Common database management systems mainly include the following: Oracle Database, MySQL, Microsoft SQL Server, PostgreSQL and MongoDB. Oracle Database: Oracle Database is a relational database management system of Oracle Company.

2. Database management systems include Oracle, Sybase, Informix, MicrosoftSQLServer, Microsoft Access, etc. Oracle is the abbreviation of Oracle Database, or Oracle RDBMS.It is the relationship database management system of Oracle Company. It is a product that is in the first position in the database domain.

3. [Analysis] At present, commonly used database management systems include Oracle, Sybase, VisualFoxPr0, Informix, SQLServer, Access, DBMySQL bamboo shoots.

4. Non-relational database management system (NoSQL): Common non-relational database management systems include MongoDB, Cassandra, Redis, Couchbase, etc. Embedded database management system: Common embedded database management systems include SQLite, HDerby, etc.