MySQL vs PostgreSQL: Key Differences Compared

MySQL and PostgreSQL are two popular open-source relational database management systems, with some key differences between them.

1. PostgreSQL offers support for a wider range of data types including arrays, JSON, and UUIDs, whereas MySQL has fewer data types available.
2. PostgreSQL has better conformance to SQL standards and offers a richer set of SQL syntax and functionality compared to MySQL, which lacks support for certain standards.
3. Performance and scalability: In high load and large scale applications, PostgreSQL typically outperforms MySQL, especially when dealing with complex queries and large datasets.
4. ACID Support: PostgreSQL offers stricter ACID transaction support to ensure data consistency and reliability, whereas MySQL may encounter data consistency issues in certain situations.
5. Community and ecosystem: MySQL has a larger user base and more third-party tool support, while PostgreSQL has a relatively smaller community, but it is also very active.

In general, the choice between MySQL and PostgreSQL depends on specific needs and scenarios. MySQL is usually better suited for small to medium applications, while PostgreSQL is more suitable for complex and large applications.