Build Lakebase Visualizations in Tableau Desktop

Tableau is a visual analytics platform transforming the way businesses use data to solve problems. When paired with CData Connect AI, you get instant, cloud-to-cloud access to Lakebase data for visualizations, dashboards, and more. This article shows how to connect to Lakebase and build visualizations from Lakebase data in Tableau.

CData Connect AI provides a pure SQL Server, cloud-to-cloud interface for Lakebase, allowing you to easily build visualizations from live Lakebase data in Tableau without installing connectors. As you build visualizations, Tableau generates SQL queries to gather data. Using optimized data processing out of the box, CData Connect AI pushes all supported SQL operations (filters, JOINs, etc) directly to Lakebase, leveraging server-side processing to quickly return Lakebase data.

Configure Lakebase Connectivity for Tableau

Connectivity to Lakebase from Tableau is made possible through CData Connect AI. To work with Lakebase data from Tableau, we start by creating and configuring a Lakebase connection.

1. Log into Connect AI, click Sources, and then click Add Connection
👁 Adding a Connection

2. Select "Lakebase" from the Add Connection panel
👁 Selecting a data source

3. Enter the necessary authentication properties to connect to Lakebase. To connect to Databricks Lakebase, start by setting the following properties:
   • DatabricksInstance: The Databricks instance or server hostname, provided in the format instance-abcdef12-3456-7890-abcd-abcdef123456.database.cloud.databricks.com.
   • Server: The host name or IP address of the server hosting the Lakebase database.
   • Port (optional): The port of the server hosting the Lakebase database, set to 5432 by default.
   • Database (optional): The database to connect to after authenticating to the Lakebase Server, set to the authenticating user's default database by default.

   OAuth Client Authentication

   To authenicate using OAuth client credentials, you need to configure an OAuth client in your service principal. In short, you need to do the following:

   1. Create and configure a new service principal
   2. Assign permissions to the service principal
   3. Create an OAuth secret for the service principal

   For more information, refer to the Setting Up OAuthClient Authentication section in the Help documentation.

   OAuth PKCE Authentication

   To authenticate using the OAuth code type with PKCE (Proof Key for Code Exchange), set the following properties:

   • AuthScheme: OAuthPKCE.
   • User: The authenticating user's user ID.

   For more information, refer to the Help documentation.

   👁 Configuring a connection (Salesforce is shown)
   
4. Click Save & Test
5. Navigate to the Permissions tab in the Add Lakebase Connection page and update the User-based permissions. 👁 Updating permissions
   

Add a Personal Access Token

When connecting to Connect AI through the REST API, the OData API, or the Virtual SQL Server, a Personal Access Token (PAT) is used to authenticate the connection to Connect AI. It is best practice to create a separate PAT for each service to maintain granularity of access.

1. Click on the Gear icon () at the top right of the Connect AI app to open the settings page.
2. On the Settings page, go to the Access Tokens section and click Create PAT.
3. Give the PAT a name and click Create. 👁 Creating a new PAT
   
4. The personal access token is only visible at creation, so be sure to copy it and store it securely for future use.

With the connection configured and a PAT generated, you are ready to connect to Lakebase data from Tableau.

Visualize Live Lakebase Data in Tableau

To establish a connection from Tableau Desktop to the CData Connect AI Virtual SQL Server, follow these steps.

1. In Tableau Desktop, open a new book. Under To a Server, select More, then Microsoft SQL Server. 👁 Selecting Microsoft SQL Server as the connection type.
   
2. Enter your credentials:
   • Server: enter the Virtual SQL Server endpoint and port separated by a comma: tds.cdata.com,14333
   • Database: enter the Connection Name of the CData Connect AI data source you want to connect to (for example, Lakebase1).
   • Authentication: select Use a specific username and password.
   • Username: enter your CData Connect AI username. This is displayed in the top-right corner of the CData Connect AI interface. For example, [email protected].
   • Password: enter the PAT you previously generated.
   • Require SSL: leave this selected.
   👁 Configuring the connection to the Virtual SQL Server API.
   
3. Click Sign In.
4. Select the Database (Connect AI connection) you wish to work with and opt for a Live or Extract Connection type.
5. Select the table(s) you wish to visualize. If you select multiple tables, define the relationship between the tables using the appropriate columns. 👁 Selecting tables to visualize (Salesforce is shown)
   
6. Select the fields to visualize. 👁 Visualizing live data (Salesforce is shown).
   

Real-Time Access to Lakebase Data from Data Applications

At this point, you have a direct, cloud-to-cloud connection to live Lakebase data from your Tableau workbook. You can create new visualizations, build dashboards, and more. For more information on gaining live access to data from more than 100 SaaS, Big Data, and NoSQL sources from applications like Tableau, refer to our Connect AI page.