PostgreSQL Database Management System

This directory contains the source code distribution of the PostgreSQL database management system.

PostgreSQL is an advanced object-relational database management system that supports an extended subset of the SQL standard, including transactions, foreign keys, subqueries, triggers, user-defined types and functions. This distribution also contains C language bindings.

Copyright and license information can be found in the file COPYRIGHT.

General documentation about this version of PostgreSQL can be found at <https://www.postgresql.org/docs/devel/>. In particular, information about building PostgreSQL from the source code can be found at <https://www.postgresql.org/docs/devel/installation.html>.

The latest version of this software, and related software, may be obtained at <https://www.postgresql.org/download/>. For more information look at our web site located at <https://www.postgresql.org/>.