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CREATE GROUP

Updated on 2024-06-03 GMT+08:00

Description

Creates a user group.

Precautions

CREATE GROUP is an alias for CREATE ROLE, and it is not a standard SQL syntax and not recommended. Users can use CREATE ROLE directly.

Syntax

CREATE GROUP group_name [ [ WITH ] option [ ... ] ] [ ENCRYPTED | UNENCRYPTED ] { PASSWORD | IDENTIFIED BY } { 'password' [ EXPIRED ] | DISABLE };

The syntax of the option clause (optional) is as follows:

{SYSADMIN | NOSYSADMIN}
    | {MONADMIN | NOMONADMIN}
    | {OPRADMIN | NOOPRADMIN}
    | {POLADMIN | NOPOLADMIN}
    | {AUDITADMIN | NOAUDITADMIN}
    | {CREATEDB | NOCREATEDB}
    | {USEFT | NOUSEFT}
    | {CREATEROLE | NOCREATEROLE}
    | {INHERIT | NOINHERIT}
    | {LOGIN | NOLOGIN}
    | {REPLICATION | NOREPLICATION}
    | {PERSISTENCE | NOPERSISTENCE}
    | CONNECTION LIMIT connlimit
    | VALID BEGIN 'timestamp'
    | VALID UNTIL 'timestamp'
    | RESOURCE POOL 'respool'
    | USER GROUP 'groupuser'
    | PERM SPACE 'spacelimit'
    | TEMP SPACE 'tmpspacelimit'
    | SPILL SPACE 'spillspacelimit'
    | NODE GROUP logic_group_name
    | IN ROLE role_name [, ...]
    | IN GROUP role_name [, ...]
    | ROLE role_name [, ...]
    | ADMIN role_name [, ...]
    | USER role_name [, ...]
    | SYSID uid
    | DEFAULT TABLESPACE tablespace_name
    | PROFILE DEFAULT
    | PROFILE profile_name
    | PGUSER

Parameters

See Parameters in section "CREATE ROLE."

Examples

-- Create a user group. The effect is the same as that of CREATE ROLE.
gaussdb=# CREATE GROUP test_group WITH PASSWORD "********";

-- Run CREATE ROLE to create a role. You cannot log in to the database by default.
-- Run ALTER ROLE role_name WITH LOGIN to enable users to log in to the database.
gaussdb=# CREATE ROLE test_role WITH PASSWORD "********";

-- Run CREATE USER to create a user. A schema with the same name is automatically created and the user has the login permission.
gaussdb=# CREATE USER test_user WITH PASSWORD "********";

-- View the user information.
gaussdb=# \du test*
             List of roles
 Role name  |  Attributes  | Member of 
------------+--------------+-----------
 test_group | Cannot login | {}
 test_role  | Cannot login | {}
 test_user  |              | {}

-- Query the schema automatically created by running the CREATE USER command.
gaussdb=# \dn test*
    List of schemas
   Name    |   Owner   
-----------+-----------
 test_user | test_user
(1 row)

-- Delete.
gaussdb=# DROP ROLE test_role;
gaussdb=# DROP GROUP test_group;
gaussdb=# DROP USER test_user;

Helpful Links

ALTER GROUP, DROP GROUP, and CREATE ROLE

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