Is a relational database management system of Oracle Bone Inscriptions company. Oracle database system is a popular relational database management system in the world. The system has good portability, convenient use and powerful functions, and is suitable for all kinds of large, medium, small and microcomputer environments. This is an efficient and reliable database solution, suitable for high throughput.

2.MySQL database?

MySQL is an open source relational database management system (RDBMS). MySQL database system uses the most commonly used database management language-Structured Query Language (SQL) for database management. MySQL database can also be used across platforms (such as linux and Windows), which is usually favored by small and medium-sized enterprises.

3.SQLserver database? (the best database on Windows)

SQLServer is an extensible and high-performance database management system designed for distributed client/server computing, which realizes the organic combination with WindowsNT and provides an enterprise-level information management system scheme based on transaction.

4.PostgreSQL (the most powerful open source database)

PostgreSQL is a free software object relational database management system (ORDBMS) with complete functions. Many advanced concepts of PostgreSQL appeared in the database of commercial websites at a relatively late stage. PostgreSQL supports most SQL standards and provides many other modern functions, such as complex queries, foreign keys, triggers, views, transaction integrity, multi-version concurrency control and so on.

5.MongoDB (Best Document Database)

MongoDB is an open source database, which can be configured for enterprises of all sizes, industries and applications.

6、? Redis (best cached database)

Redis is completely open source and free, and it is a high-performance key-value database, which conforms to BSD protocol.