Can I use MongoDB community in a commercial application?
Can I use MongoDB community in a commercial application? If your commercial application is just storing data in MongoDB, your customers can use either server edition. The SSPL license has important requirements if you are modifying server code or running MongoDB as a service, but does not otherwise impose usage restrictions.
Is MySQL free for commercial use?
See also http://www.gnu.org/licenses/gpl-faq.html and http://www.gnu.org/philosophy/enforcing-gpl.html. Since the MySQL software is released under the GPL, it may often be used for free, but for certain uses you may want or need to buy commercial licenses from MySQL AB at https://order.mysql.com/.
What is the difference between MongoDB community and enterprise?
Core server features for developers are generally the same, but a MongoDB Enterprise subscription includes additional operational and management features, a commercial license (warranty & indemnification), as well as access to proactive support and on-demand training.
Is there any free database?
Microsoft SQL
It is free database software. This system supports ANSI SQL, which is the basic support for every language and has various languages running in like JavaScript, C++, and more. The SQL server has its own understanding of the language, which is a unique feature to it.
