Managing Users

GaussDB(DWS) allows you to manage database users on the console. You can create, delete, and update database users and manage their permissions on the console.

If the current console does not support this feature, contact technical support.
After a cluster is created, the users or roles created with it cannot be modified.
Before using this function, ensure that the cluster is available.

Creating a User

Log in to the GaussDB(DWS) management console. In the navigation pane, choose Clusters > Dedicated Clusters.
In the cluster list, click the name of the target cluster. The Cluster Information page is displayed.
In the navigation pane, choose User Management.
On the Users tab, click Create User. The user creation page is displayed.

The Basic Settings page is displayed. The parameters are described as follows:

**Table 1** Basic parameters of user information
Parameter	Description	Example Value
User Name	The value must start with a letter and can contain a maximum of 63 characters, including letters, digits, and underscores (_).	Dws-demo
Password	The value must start with a letter and can contain a maximum of 63 characters, including letters, digits, and underscores (_). NOTE: The password contains at least three of the following character types: uppercase letters, lowercase letters, digits, and special characters (~!?,.:;_(){}[]/<>@#%^&*+\|\\=-)	-
Maximum Connections	Maximum number of connections between the user and the database. The value -1 indicates that the number of connections is not limited.	-1
Expires	Expiration time of the user's permissions.	-
System Administrator	Indicates whether the user is a system administrator.	-
Create Database	Specifies whether the user has the permission to create databases.	-
Create Role	Specifies whether the user has the permission to create users and roles.	-
Inherit Permissions	Specifies whether the user inherits permissions from its user group. This function is enabled by default. You are advised to retain this setting.	-

If all the parameters are correctly set, click Next.
On the Configure Roles page, select the role to be assigned to the user and click Next.
Configure permissions not included in the roles of the user.
Click Add to add a permission configuration. Select the database object type and corresponding database object, and select the permission to complete assignment For details about permission definitions, see "DCL Syntax > GRANT" in SQL Syntax Reference.
After the authorization is complete, click Create.

Modifying a User

Log in to the GaussDB(DWS) management console. In the navigation pane, choose Clusters > Dedicated Clusters.
In the cluster list, click the name of the target cluster. The Cluster Information page is displayed.
In the navigation pane, choose User Management.
In the user list, select a user and click Modify. The page for modifying user details is displayed.
Modify the user information. For details, see Table 1. After confirming that the information is correct, click Next.
Select the role to be granted to the user and click Next.
After selecting a permission type, you can click Modify in the row where the permission is located to add or remove the permission.
Confirm the permissions. Click lick Save.

Deleting a User

Log in to the GaussDB(DWS) management console. In the navigation pane, choose Clusters > Dedicated Clusters.
In the cluster list, click the name of the target cluster. The Cluster Information page is displayed.
In the navigation pane, choose User Management.
Select a user from the user list and click Delete. A confirmation dialog box is displayed.
Click OK.

If a user has dependencies on database objects, such as tables, that have not been deleted, the user will fail to be deleted.