Relational database management systems (RDBMS) rely on an optimizer (or relational optimizer) that transforms SQL statements into executable code. Before any SQL statement can be run by the RDBMS, the ...

The developer behind the popular open-source PostgreSQL database software, the PostgreSQL Global Development Group, today announced the release of PostgreSQL 16 that includes enhancements to security, ...

The heart of any relational database management system is the system catalog that documents the database objects and system settings being used. The system catalog offers a wealth of information about ...