According to the latest DB-Engines ranking, PostgreSQL firmly holds the fourth position globally and has dominated the top spot among open-source relational databases for consecutive years. Once upon a time, MySQL was synonymous with databases. But in recent years, it seems everyone is abandoning MySQL and unanimously choosing PostgreSQL. Why is that? We have to admit that MySQL often runs into bugs, such as the system's PID always being hijacked, along with a few other reasons. A Next-Level Advantage in Operations: Transactional DDL For operations teams and developers, the biggest fear during table structure changes ( ALTER TABLE ) is a script throwing an error halfway through. In MySQL, if a DDL statement fails, the database is left in an awkward intermediate state. Since MySQL lacks support for transactional DDL, developers must manually write scripts to clean up the residual table structures.…