On Fri, 15 May 2026 at 18:06, Shivam Pandey <[email protected]> wrote:
> Hello PostgreSQL Team, > > I would like to share feedback from a developer perspective regarding > cross-database querying in PostgreSQL. > > One feature that many developers appreciate in MySQL is the ability to > directly query and join tables across multiple databases within the same > server instance. This approach becomes very useful in real-world situations > where applications need to access shared or distributed data quickly and > efficiently. > What MySQL calls databases PostgreSQL calls schemas, and PostgreSQL certainly has the ability to query and join tables across schemas. What MySQL might call an instance (a collection of MySQL databases) PostgreSQL calls a database (a collection of PostgreSQL schemas). A single PostgreSQL instance has the ability to host multiple databases (albeit sharing a single set of roles and role relationships). Can MySQL query and join across multiple instances?
