PostgreSQLs
PostgreSQL is an open-source relational database management system (RDBMS) known for standards compliance, data integrity, and extensibility. It originated at the University of California, Berkeley during the 1980s as POSTGRES and was later renamed PostgreSQL in 1996 to reflect its support for SQL while retaining the POSTGRES heritage. The plural form "PostgreSQLs" is not used in official terminology; the product is referred to as PostgreSQL.
Key features include ACID transactions, multi-version concurrency control (MVCC), and a robust query planner. It supports
PostgreSQL runs on major operating systems including Linux, Windows, and macOS, and is distributed under the