User & Role

This page provides a comprehensive overview of user and role operations in Databend, organized by functionality for easy reference.

User Management

Command	Description
CREATE USER	Creates a new user account
ALTER USER	Modifies an existing user account
DROP USER	Removes a user account
DESC USER	Shows detailed information about a user
SHOW USERS	Lists all users in the system

Role Management

Command	Description
CREATE ROLE	Creates a new role
DROP ROLE	Removes a role
SET ROLE	Sets the current active role for the session
SET SECONDARY ROLES	Sets secondary roles for the session
SHOW ROLES	Lists all roles in the system

Privilege Management

Command	Description
GRANT	Assigns privileges to users or roles
REVOKE	Removes privileges from users or roles
SHOW GRANTS	Shows privileges granted to users or roles

备注

Proper user and role management is essential for database security. Always follow the principle of least privilege when granting permissions.