HoloWeb is a development platform that is used to process data in Hologres instances. This topic describes how to use HoloWeb to create, edit, and delete a connection to a Hologres instance. This topic also describes how to manage users for a connection on the User Management tab of the HoloWeb console.

Prerequisites

  • An Alibaba Cloud account is created.
  • Real-name verification is completed.
  • A Hologres instance is purchased. For more information, see Purchase a Hologres instance.

Create a connection

  1. Log on to the Hologres console.
  2. In the top navigation bar, select a region from the drop-down list.Region
  3. On the Hologres Instances page, click Log on to Hologres Database to go to the HoloWeb console.
  4. Choose Connection Management > Data Connection.
    You can also right-click My connection on the Connection Management page and select New Connection.
  5. In the New Connection dialog box, set the parameters as required and click OK. New Connection
    The following table describes the parameters.
    Parameter Description Required
    Network type
    • public network: Supported regions include China (Shanghai), China (Shenzhen), China (Beijing), China (Hangzhou), Singapore, China (Hong Kong), Malaysia (Kuala Lumpur), and US (Silicon Valley).
    • VPC: You can select only the region from which you log on to the HoloWeb console.
    No
    Instance name The Hologres instance that is created by using the current account. No
    Connection name If you have set the Instance name parameter, the value of the Connection name parameter is automatically set to the name of the specified instance. You can also enter a custom connection name. Yes
    Connection description The description of the connection. No
    Host The endpoint of the Hologres instance.

    You can view the endpoint of the Hologres instance on the Configurations tab of the instance details page in the Hologres console.

    If you have set the Instance name parameter, the value of the Host parameter is automatically set to the endpoint of the specified instance. You can also enter the endpoint of the Hologres instance.

    Yes
    Port The port number of the Hologres instance.

    You can view the port number of the Hologres instance on the Configurations tab of the instance details page in the Hologres console.

    If you have set the Instance name parameter, the value of the Port parameter is automatically set to the port number of the specified instance. You can also enter the port number of the Hologres instance.

    Yes
    Logon Method
    • Password-free logon: You can directly connect to the instance by using the current Alibaba Cloud account, without the need to enter the AccessKey ID and AccessKey secret.
    • Password logon: You can enter the AccessKey ID and AccessKey secret of the current or other Alibaba Cloud account to connect to the instance.
    Yes
    AccessKey ID The AccessKey ID of the current Alibaba Cloud account.

    You can obtain the AccessKey ID on the Security Management page.

    If you set the Logon mode parameter to Password logon, you must set this parameter.

    No
    AccessKey Secret The AccessKey secret of the current Alibaba Cloud account.

    You can obtain the AccessKey secret on the Security Management page.

    If you set the Logon mode parameter to Password logon, you must set this parameter.

    No
    Test connectivity Tests whether the instance can be connected to.
    • If the instance can be connected to, the message Test passed is displayed.
    • If the instance cannot be connected to, the message Test failed is displayed.
    No
  6. After the connection is created, click the Refresh icon on the Connection Management page to refresh the connection list.
  7. Click My connection to view the connection that you create.

Manage users on the User Management tab

After a connection is created, the User Management module is displayed under the connection.User Management
To manage users for a connection, double-click User Management under the connection to go to the User Management tab. The following operations are supported:
  • Delete a user on this tab, as shown in the following figure.Delete
  • Click User Management on the User Management tab. In the Add new user dialog box, select the user that you want to add and assign the superuser or normal user role to the user.Edit

Edit a connection

  1. Choose Connection Management > My connection. All the configured connections are displayed.
  2. Right-click the required connection and select Edit connection.
  3. Edit the connection information based on your business requirements.Edit connection

Delete a connection

  1. Choose Connection Management > My connection. All the configured connections are displayed.
  2. Right-click the required connection and select Delete Connection.