MySQL vs Oracle: Key Differences

Both MySQL and Oracle are popular relational database management systems, but they have some differences.

1. Developers and users come from different groups: MySQL is an open-source database widely used in the internet industry, particularly in small and medium-sized enterprises, while Oracle is a commercial database mainly used by large enterprises and organizations.
2. Licensing fees: MySQL is a free open-source database that can be downloaded and used for free. In contrast, Oracle is a commercial database that requires purchasing a license to use.
3. Functionality and performance: Oracle is more powerful and stable in terms of functionality and performance, supporting more advanced features and complex data processing. MySQL, on the other hand, is more suitable for simple applications and small projects.
4. Data security: Oracle is more robust in terms of data security, providing more security features and options to protect data. MySQL also has some security features, but they are comparatively simpler.
5. Scalability: Oracle has better scalability and performance advantages when it comes to handling large databases and high concurrency access. MySQL performs better with small databases.

In general, Oracle is suitable for large enterprises and institutions with high security and reliability requirements, while MySQL is suitable for small and medium-sized enterprises with more consideration for cost and simplicity. The choice of database depends on specific needs and situations.