CREATE USER

Description

Creates a new user in the system.

To use CREATE USER, you must have the CREATE USER privilege.

• The default role with CREATE USER privilege is MOADMIN or ACCOUNTADMIN: the cluster administrator (the default account is root), and the tenant administrator created by the cluster administrator has the privilege by default.

Syntax

> CREATE USER [IF NOT EXISTS]
    user auth_option [, user auth_option] ...
    [DEFAULT ROLE rolename]  
    [COMMENT 'comment_string' | ATTRIBUTE 'json_object']
auth_option: {
    IDENTIFIED BY 'auth_string'
}

Explanations

An user when first created has no privileges and a default role of NONE. To assign privileges or roles, use the GRANT statement.

The basic SQL statement of CREAT USER is as follows:

create user user_name identified by 'password';

IDENTIFIED BY ‘auth_string’

CREATE USER permits these auth_option syntaxes:

• ‘auth_string’: ‘auth_string’ value (the default is password) will be stored in the mo_user system table.

DEFAULT ROLE

The DEFAULT ROLE clause defines which roles become active when the user connects to MatrixOne and authenticates, or when the user executes the SET ROLE statement during a session.

create user user_name identified by 'password' default role role_rolename;

The DEFAULT ROLE clause permits a list of one or more comma-separated role names. These roles must exist at the time CREATE USER is executed; otherwise the statement raises an error, and the user is not created.

Examples

> create user userx identified by '111';
Query OK, 0 rows affected (0.04 sec)

Constraints

MatrxiOne does not supports CREATE USER COMMENT and CREATE USER ATTRIBUTE now.