PostgreSQL User Operation permissions

For PostgreSQL, the Super User Postgres, which is created by default when the database is installed, is similar to the root user on Linux and has

新建数据库用户：CREATE USER新建数据库：CREATE  DATABASE删除数据库：DROP DATABASE删除用户：DROP USER撤销权限：REVOKE赋权：GRANT

And so on all the database operation permissions, can directly manipulate all databases, other ordinary users are not authorized to operate.

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PostgreSQL User Operation permissions