--- title: "External BI prerequisites" slug: "dataquery-bi-preparing-vpc" updated: 2026-09-17T09:17:50Z published: 2026-09-17T09:17:50Z canonical: "guide.ncloud-docs.com/dataquery-bi-preparing-vpc" --- > ## Documentation Index > Fetch the complete documentation index at: https://guide.ncloud-docs.com/llms.txt > Use this file to discover all available pages before exploring further. # External BI prerequisites Available in VPC You can connect Data Query from an external business intelligence (BI) tool. Data Query is compatible with most BI tools that support [Trino](https://trino.io/) connectivity. In addition to the BI tools listed below, many other BI tools can be connected and used in a similar way. ### Open Source BI tools - [Superset](/docs/en/dataquery-bi-superset-vpc) - [Zeppelin](/docs/en/dataquery-bi-zeppelin-vpc) ### Authenticate external BI tool connection Username and password authentication is supported for connecting to Data Query from external BI tools. Note - Username and password: Access Key and Secret Key of the user's sub account Caution - Entering a username and password in external tools can be a security risk, so you cannot use the authentication key of the customer account (main account). - Follow the instructions below to create an authentication key (Access Key) for your sub account. ### Create Sub Account and authentication key for Data Query BI To create a Data Query BI-specific sub account and authentication key for username and password authentication in external BI tools: Note For more information on creating Sub Account, see [Sub Account user guide{target="_blank"}](/docs/en/subaccount-overview). #### 1. Create Sub Account 1. From NAVER Cloud Platform console, navigate to **Menu** > **All Services** > **Management & Governance** > **Sub Account**. 2. In the **Sub Account** menu, click **[Create Sub Account]**. 3. Enter the Sub Account information. - Login ID: Enter the ID to use for login. - Username: Enter the name of the user who will use the sub account. - Email: Enter the user's email address. - Access permissions - Console access: **Disabled** - Console access is now allowed for Data Query BI-dedicated accounts. - API Gateway access: **Allowed** - Set to Allowed to generate Access Keys for use in BI. - Select accessible sources (all or specified) based on the user's BI environment. - Two-factor authentication options: **Required** - For all other options, use the default settings. 1. Enter the information above and click **[Create]**. #### 2. Add Sub Account policy 1. In the **Sub Accounts** menu, click the logic ID created in the **1. Create Sub Account** section. 2. In the **Sub Account details** menu for the account, select the **Policy** tab at the bottom. 3. Click **[Add individual permission]** and select the policy name `NCP_VPC_DATA_QUERY_BI_TOOL_USER`, and click **[Add]** to grant Data Query-related service access permissions. Caution - For security reasons, use the created Sub Account exclusively for the Data Query BI tool. Do not add any permissions other than those related to Data Query. #### 3. Create Sub Account Access Key 1. In the **Sub Accounts** menu, click the logic ID created in the **1. Create Sub Account** section. 2. In the **Sub Account details** menu for the account, select the **Access Key** tab at the bottom. 3. Click **[Create]** to create an **Access Key and Secret Key**.