PostgreSQL 是世界上最优秀的开放源码的数据库之一,是完全免费的数据库,不需要任何版权费用和购买费。因此,它是许多Linux发行版本的首选,例如： Redhat、TurboLinux都预装了PostgreSQL。 PostgreSQL兼容性很强,如果是SQL92兼容的,移植PostgreSQL非常简单和快捷。

-PostgreSQL is the world s most outstanding one of the open source database, is completely free database, no need of any copyright expenses and 购买费. Therefore, it is many Linux distribution version first choice, for example: the Redhat, PostgreSQL TurboLinux are pre-installed. PostgreSQL compatibility is very strong, if it is SQL92 compatible, transplant PostgreSQL is very simple and quick.