Managing Roles
Creating a Role
- Log in to the GaussDB(DWS) management console. In the navigation pane on the left, 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.
- Click the Roles tab and click Create Role. The role creation page is displayed.
- Configure role information. The parameters are described as follows:
Table 1 Parameters for configuring role information Parameter
Description
Example Value
Role Name
The value must start with a letter and can contain a maximum of 63 characters, including letters, digits, and underscores (_).
dws-demo
Expires
Expiration time of the role permissions.
-
System Administrator
Indicates whether the role has the system administrator rights.
-
Create Database
Specifies whether the role has the permission to create databases.
-
Creating a Role
Specifies whether the role has the permission to create users and roles.
-
Inherit Permissions
Indicates whether the role inherits the permissions from its role group. This function is enabled by default. You are advised to retain this setting.
-
- If all the parameters are correctly set, click Next.
- Configure the permissions of the role.
Click Add to add a permission configuration. Select the database object type and the corresponding objects. Then, select permissions. For details about permission definitions, see "DCL Syntax > GRANT" in SQL Syntax Reference.
- After the authorization is complete, click Create. The role is created.
Modifying a Role
- 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 role list, select a user and click Modify. The page for modifying role details is displayed.
- Modify the role information. For the parameter description, see Table 1.
- If all the parameters are correctly set, click Next.
- Configure permissions. Select a permission as required and click Modify in the row where the permission is located to add or remove the permission.
- Confirm the permissions. Click lick Save.
Deleting a Role
- 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 role from the role list and click Delete. A confirmation dialog box is displayed.
- Click OK to delete the role.
If the role has dependencies, such as database objects, that have not been deleted, the role will fail to be deleted.
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