ProxySQL has an advanced multi-core architectural design that supports hundreds of thousands concurrent connections multiplexed across thousands of servers. ProxySQL allows sharding based on user, schema, or table using the advanced query engine or customized plugins. ProxySQL can change SQL statements on-the-fly, so the development team doesn't have to rewrite queries from ORMs or packaged packages. ProxySQL has been tested in the field. The numbers show that performance is the top priority. ProxySQL, an open-source database protocol aware proxy, is a high performance, high-availability, high-performance proxy for MySQL and PostgreSQL. ProxySQL, a robust SQL proxy that acts as a bridge between database servers and clients, offers a variety of features to streamline database operations. ProxySQL enables organizations to maximize the potential of their database infrastructure.