This topic describes how to connect DataV to a Hologres instance and use DataV to present data.

Background information

DataV is a BI service that Alibaba Cloud provides to help you present data. On the graphical interface of the service, you can use templates to create data visualization projects and drag and drop elements to edit the projects. DataV can fulfill your diversified data presentation requirements.

Hologres is deeply integrated with DataV. You can connect DataV to a Hologres instance and then present data in a visualized manner.

Procedure

  1. Connect DataV to a Hologres instance.
    You can connect DataV to a Hologres instance by using a specified virtual private cloud (VPC), the Internet, or the classic network of Alibaba Cloud. For more information about network configurations, see Instance configurations. We recommend that you use a specified VPC to connect to the Hologres instance.
    Note When you connect to a Hologres instance over a specified VPC, you must first associate the Hologres instance to the specified VPC to generate an endpoint. For more information, see Instance configurations.
    1. Log on to the DataV console. On the Data Sources tab, click Add Source. Add data
    2. In the Add Data dialog box, set the parameters as required and click OK. The following tables describe the configurations for different types of networks.
      • Connect to a Hologres instance over a specified VPC
        ParameterDescriptionRemarks
        TypeThe type of the data source. Select Hologres. None.
        Network NameSelect Intranet. None.
        RegionThe region where the Hologres instance resides. None.
        VPCThe switch used to enable or disable VPC. None.
        VPC IDThe ID of the specified VPC with which the Hologres instance is associated. Log on to the Hologres console. Navigate to the Instance Details page and obtain the VPC ID from the Scenario column in the Network Information section.
        Instance IDThe ID generated after the Hologres instance is associated with the specified VPC. Log on to the Hologres console. Navigate to the Instance Details page and obtain the VPC-connected instance ID from the Scenario column in the Network Information section.
        NameThe name of the data source. Specify this parameter based on your business requirements. It is used to distinguish data sources. None.
        VPC EndpointThe VPC endpoint of the Hologres instance. Log on to the Hologres console. Navigate to the Instance Details page and obtain the VPC endpoint from the Endpoint column in the Network Information section.
        UsernameThe AccessKey ID of your Alibaba Cloud account. You can obtain the AccessKey ID on the Security Management page.
        PasswordThe AccessKey secret of your Alibaba Cloud account. You can obtain the AccessKey secret on the Security Management page.
        PortThe port number of the specified VPC with which the Hologres instance is associated. Log on to the Hologres console. Navigate to the Instance Details page and obtain the port number of the specified VPC from the Endpoint column in the Network Information section.
        DatabaseThe name of the database. Select the desired database. None.
      • Connect to a Hologres instance over the Internet
        ParameterDescriptionRemarks
        TypeThe type of the data source. Select Hologres. None.
        Network NameSelect Internet. None.
        NameThe name of the data source. Specify this parameter based on your business requirements. It is used to distinguish data sources. None.
        Internet EndpointThe Internet endpoint of the Hologres instance. Log on to the Hologres console. Navigate to the Instance Details page and obtain the Internet endpoint of the Hologres instance in the Network Information section.
        UsernameThe AccessKey ID of your Alibaba Cloud account. You can obtain the AccessKey ID on the Security Management page.
        PasswordThe AccessKey secret of your Alibaba Cloud account. You can obtain the AccessKey secret on the Security Management page.
        PortThe port number of the Internet endpoint used by the Hologres instance. Log on to the Hologres console. Navigate to the Instance Details page and obtain the port number of the Internet endpoint used by the Hologres instance in the Network Information section.
        DatabaseThe name of the database. Select the desired database. None.
      • Connect to a Hologres instance over the classic network
        ParameterDescriptionRemarks
        TypeThe type of data source. Select Hologres. None.
        Network NameThe name of the network. Select Intranet. None.
        RegionThe region in which the instance resides. None.
        NameThe name of the data source. Specify this parameter based on your business requirements. It is used to distinguish data sources. None.
        Classic Network EndpointThe endpoint of the Hologres instance in the classic network. Log on to the Hologres console. Navigate to the Instance Details page and obtain this endpoint in the Network Information section.
        UsernameThe AccessKey ID of your Alibaba Cloud account. You can obtain the AccessKey ID on the Security Management page.
        PasswordThe AccessKey secret of your Alibaba Cloud account. You can obtain the AccessKey secret on the Security Management page.
        PortThe port number of the classic network endpoint used by the Hologres instance. Log on to the Hologres console. Navigate to the Instance Details page and obtain this port number in the Network Information section.
        DatabaseThe name of the database. Select the desired database. None.
  2. Present data in a visualized manner.

    After DataV is connected to the Hologres instance, you can create a project based on an existing template or a blank template to present data in a visualized manner. For more information, see Use a template to create a project or Use a blank canvas to create a project.