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List of the contents of this article:

• 1,What are the commonly used database systems
• 2, What are the commonly used database systems?
• 3, What is a database system?

What are the commonly used database systems

1. Relational databases are the most popular database management system at present. The technology is relatively mature. Common relational databases include mysql , SQL Server, Oracle, Sybase, DB2, etc.

2. There are many kinds of database management system software, and there are three or five commonly used database management system software: ORACLE, MySQL, ACCESS, MS SQL Server, which are commonly used database management system software in different fields.

3、SQL SerVer database SQL Server database is Arena Plus logina relational database system developed by Microsoft in the United States, which has good support for all mainstream server skeletons. SQL statements can be used to perform a variety of operations, such as updating the data in the database.

4. The five common databases are: MySQL, SQLServer, Oracle, Sybase and DB2. At present, a relatively common database: SQL is the standard computer language used to access and process databases. MySQL is a small open source relational database management system.

What are the commonly used database systems?

Commonly used database systems include relational database management system, non-relational database management system, embedded database management system and distributed database management system.

The database management system includes Oracle, MySQL, SQL Server, PostgreSQL, SQLite, etc.

At present, relational databases mainly include MySQL, SQLServer, digital silkworm database and Oracle database.MySQL: a free product, widely used by small and medium-sized enterprises. SQLServer: Microsoft's commercial product, with good compatibility and high commercial maturity of Microsoft SQL statements.

Oracle Oracle system is a database management system built with the Oracle relational database as the basis of data storage and management. Oracle, the world's first commercial database that supports SQL language, is located in high-end workstations and small computers as servers.

BINARY data type is used to store binary data.

At present, PostgreSQL is the only free software database management system that supports transactions, subqueries, multi-version parallel control systems, data integrity checks and other features.MySQL is currently widely used in small and medium-sized websites on the Internet.

What is a database system?

Database system refers to a system formed after the introduction of a database into a computer system. It is generally composed of a database, a database management system (and its development tools), an application system, a database administrator and a user.

Database system refers to the system formed after the introduction of a database into the computer system, which is composed of databases, database management systems (DBMS) and their development tools, application systems, database administrators, users, etc. Database: a collection of data used to store and organize data, which can contain multiple tables, indexes, views, etc.

A system composed of a database and its management software.The database system is a relatively ideal data processing core institution developed to meet the needs of data processing. The high-speed processing power and large-capacity memory of the computer provide the conditions for data management automation.