Does mysql charge?
MySQL has multiple versions, among which MySQL Community Server community version and MySQL Cluster cluster version are open source and free, while MySQL Enterprise Edition enterprise version and MySQL Cluster CGE advanced cluster version are paid.
The operating environment of this tutorial: windows10 system, mysql8, Dell G3 computer.
MySQL is open source software, but open source does not mean completely free. The advantages of open source can enable more people to improve and improve the code, but the use of open source software should follow the usage provided by the software. Licensing Agreement.
MySQL is divided into community version and commercial version. The community version is free, and the commercial version requires a fee.
1. MySQL Community Server community version, open source and free, but does not provide official technical support.
2. MySQL Enterprise Edition requires payment and can be tried for 30 days.
3. MySQL Cluster cluster version, open source and free. Several MySQL Servers can be encapsulated into one Server.
4. MySQL Cluster CGE Advanced Cluster Edition requires payment.
MySQL is a relational database management system and one of the most popular relational database management systems. Relational databases store data in different tables instead of putting all the data in one big warehouse, which increases speed and flexibility.
The SQL language used by MySQL is the most commonly used standardized language for accessing databases. MySQL software adopts a dual licensing policy and is divided into community version and commercial version. Due to its small size, fast speed, low total cost of ownership, and especially the characteristics of open source, MySQL is generally chosen as the website database for the development of small and medium-sized websites.
Due to the excellent performance of its community version, it can form a good development environment with PHP and Apache.
Related learning recommendations: mysql tutorial(video)
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