前言
以下命令中[]表示可选项,
角色/用户
在postgres13中,用户和角色共用一张表,用户和角色的关系通过rolcanlogin区分,能LOGIN的是user,不能LOGIN的是role(目前来看,不保准后面会有特例)。
参考
https://www.postgresql.org/docs/15/sql-alterrole.html
About 6 min
前言
参考
Less than 1 minute
与MySQL不同的是,postgresql多了一层schema。
其关系如下

权限校验
peer
参考:https://www.postgresql.org/docs/13/auth-peer.html postgresql默认使用peer进行权限校验,默认会取当前操作系统用户的name作为登录用户
Less than 1 minute
Introduction
Less than 1 minute
Introduction
Neo4j is a native graph database, which means that it implements a true graph model all the way down to the storage level. Instead of using a "graph abstraction" on top of another technology, the data is stored in Neo4j in the same way you may whiteboard your ideas.
Less than 1 minute
Less than 1 minute
简介
An extremely fast Python package and project manager, written in Rust.
下载
curl -LsSf https://astral.sh/uv/install.sh | sh
Less than 1 minute
Less than 1 minute
Less than 1 minute
