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Rapidly Develop Databricks-Driven Apps with Active Query Builder
Leverage the Active Query Builder SQL interface builder and the ease of .NET data access to create data-driven WinForms and ASP.NET apps.
Write standard .NET to expose Databricks data through an SQL interface: Active Query Builder helps developers write SQL interfaces; the CData ODBC Driver for Databricks enables standards-based access to Databricks. This integration uses the Microsoft ADO.NET Provider for ODBC as a bridge between the ODBC Driver and the Active Query Builder objects to build a visual SQL composer.
Connect to Databricks as an ODBC Data Source
If you have not already, first specify connection properties in an ODBC DSN (data source name). This is the last step of the driver installation. You can use the Microsoft ODBC Data Source Administrator to create and configure ODBC DSNs.
To connect to a Databricks cluster, set the properties as described below.
Note: The needed values can be found in your Databricks instance by navigating to Clusters, and selecting the desired cluster, and selecting the JDBC/ODBC tab under Advanced Options.
- Server: Set to the Server Hostname of your Databricks cluster.
- HTTPPath: Set to the HTTP Path of your Databricks cluster.
- Token: Set to your personal access token (this value can be obtained by navigating to the User Settings page of your Databricks instance and selecting the Access Tokens tab).
About Databricks Data Integration
Accessing and integrating live data from Databricks has never been easier with CData. Customers rely on CData connectivity to:
- Access all versions of Databricks from Runtime Versions 9.1 - 13.X to both the Pro and Classic Databricks SQL versions.
- Leave Databricks in their preferred environment thanks to compatibility with any hosting solution.
- Secure authenticate in a variety of ways, including personal access token, Azure Service Principal, and Azure AD.
- Upload data to Databricks using Databricks File System, Azure Blog Storage, and AWS S3 Storage.
While many customers are using CData's solutions to migrate data from different systems into their Databricks data lakehouse, several customers use our live connectivity solutions to federate connectivity between their databases and Databricks. These customers are using SQL Server Linked Servers or Polybase to get live access to Databricks from within their existing RDBMs.
Read more about common Databricks use-cases and how CData's solutions help solve data problems in our blog: What is Databricks Used For? 6 Use Cases.
Getting Started
Use SQL to Interact with Databricks
Follow the steps below to create a WinForms visual query builder.
- Open Active Query Builder for .NET WinForms.
![]( "Opening Active Query Builder.")
- In the new Windows Forms project go to the "File" menu and click "Connect..."
- Under Database Connections, click "Add..."
![]( "Adding a new Connection.")
- Set your desired Connection Name (e.g. CData Databricks), set Connection Type to "ODBC" and locate your previously configured DSN in the "User/System" DSN dropdown.
![]( "Selecting a previously configured DSN (Amazon Athena is shown).")
- Click "OK" to save the new connection.
- Back in the Database Connection wizard, select the newly created connection and click "OK."
![]( "A newly added Connection (Amazon Athena is shown).")
- Click "File" > "New Query" to create a QueryBuilder
You can now build queries visually: Double-click a table in the Columns Pane Area and an entity/relationship diagram is displayed in the Query Building Area. Columns that you select in the diagram are added to the query.
Ready to get started?
Download a free trial of the Databricks ODBC Driver to get started:
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Databricks ODBC Driver
The Databricks ODBC Driver is a powerful tool that allows you to connect with live data from Databricks, directly from any applications that support ODBC connectivity.
Access Databricks data like you would a database - read, write, and update through a standard ODBC Driver interface.
