PostgreSQL是一款开源的关系型数据库，使用Python对其进行操作前，需先安装相应的驱动模块以实现连接与数据处理。 10、 用完后请记得关闭连接。

For nearly 30 years, PostgreSQL (a.k.a., Postgres) has arguably been the most common SQL open source database that you have never heard of. Call it the Zelig of databases, its technology either sat ...