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+# 数据库资料
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+1、[psql 教程和备忘录](https://tomcam.github.io/postgres/)
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+![](https://www.wangbase.com/blogimg/asset/202011/bg2020111701.jpg)
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+psql 是 PostgreSQL 数据库的官方命令行客户端，本文是它的一篇简明教程。