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Peter Eisentraut e4d8a2af07 doc: Add section for temporal tables 
This section introduces temporal tables, with a focus on Application
Time (which we support) and only a brief mention of System Time (which
we don't).  It covers temporal primary keys, unique constraints, and
temporal foreign keys.  We will document temporal update/delete and
periods as we add those features.

This commit also adds glossary entries for temporal table, application
time, and system time.

Author: Paul A. Jungwirth <pj@illuminatedcomputing.com>
Discussion: https://www.postgresql.org/message-id/flat/ec498c3d-5f2b-48ec-b989-5561c8aa2024@illuminatedcomputing.com
2025-11-05 16:38:04 +01:00
.github Add CODE_OF_CONDUCT.md, CONTRIBUTING.md, and SECURITY.md. 2024-07-02 13:03:58 -05:00
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doc doc: Add section for temporal tables 2025-11-05 16:38:04 +01:00
src Implement WAIT FOR command 2025-11-05 11:44:13 +02:00
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README.md

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/.