PostgreSQL is a highly scalable, SQL compliant, enterprise class, open source object-relational database system. PostgreSQL employs a proven robust architecture, which has earned the database a reputation for being highly reliable, fault tolerant and high performance
Some Key PostgreSQL Features
| 15+ years of active development | ANSI SQL compliant | Open API |
| Legendary reliability and performance | Referential Integrity | Stored Procedures |
| The most secure database platform | Replication | Native SSL support |
| ORM database with extensibility | Native interfaces for ODBC, JDBC, .Net, C, C++, PHP, Perl, TCL, ECPG, Python, and Ruby | Multiple Procedural languages |
| Fully open source (governed via the postgresql license) | Rules | Hot stand-by |
| Full access to the source code | Views | Better than row-level locking |
| Easily supports multi-terabyte databases | Triggers | Functional and Partial indexes |
| ZERO license fees | Unicode | Native Kerberos authentication |
| Runs on all major platforms | Sequences | UNION, UNION ALL and EXCEPT queries |
| Highly active community | Inheritance | Loadable extensions including SHA1, MD5, and XML |
| Commercially supported | Outer Joins | Extensible data type system |
| Fully ACID compliant | Sub-selects | Cross-database compatibility functions Foreign Data Wrappers |