What are the common database products at present

What are the common database products at present

20 17- 12-07 16:52

1.Oracle database is considered to be a relatively successful relational database, which was launched by Oracle Company, the second largest software supplier in the world, in 1983. Oracle database has the characteristics of stable operation, complete functions and excellent performance, and its technology is also advanced in database products. Generally, large enterprises will choose Oracle database.

Secondly, DB2 database is also a relational database, which is the main product of IBM. Its function can also meet the needs of large and medium-sized companies, and can also be used in small and medium-sized e-commerce systems. According to statistics, DB2 has more than 60 million users.

Thirdly, SQL Server database is a comprehensive database, which can be used by medium and large enterprises. It was launched by Microsoft, the world's first software supplier. Compared with other databases, it has great advantages in operability and interactivity.

4.PostgreSQL database is the most distinctive open source database, which has the most complete data types, supports transactions, sub-queries, and multi-version parallel control systems.

5.MySQL database is an open source relational database, which was acquired by Oracle in 2009, but MySQL is still open source. Compared with other databases, it has the characteristics of small size, high speed and flexible use. Many small and medium-sized websites will choose MySQL as the database.