> ## Documentation Index
> Fetch the complete documentation index at: https://docs.cloud.cdata.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Virtual SQL Server Endpoint

> The Connect AI Virtual SQL Server allows you to establish a connection to your data from integration tools that support connections to SQL servers. The Virtual SQL Server mimics the behavior of a traditional SQL server, and it supports a range of query options.

## Authentication

Applications connect to the Virtual SQL Server through SQL Server Authentication using a Username and Password. When configuring the connection, set the properties as follows:

* The database server is **tds.cdata.com**.
* The port is **14333**. If you are connecting from application that does not have a separate port field, append the port to the end of the database server with either a colon or comma (`tds.cdata.com:14333` or `tds.cdata.com,14333`).
* Some applications require you to specify a database. For these applications, the database name is the name of the [Connection](/en/Sources) you want to access.
* For the Username, enter your Connect AI username. This is displayed in the top-right corner of the Connect AI interface. For example, *[test@cdata.com](mailto:test@cdata.com)*.
* For the Password, enter a Personal Access Token (PAT) that you generate on the [Settings](/en/Settings#personal-access-tokens) page.

## Connect from Client Applications

Virtual SQL Server supports connections from the following integration tools:

* [Amazon QuickSight](/en/Clients/AmazonQuickSight-Client)
* [Azure Analysis Services](/en/Clients/AAS-Client)
* [Azure Data Factory](/en/Clients/AzureDataFactory-Client)
* [Looker](/en/Clients/Looker-Client)
* [Microsoft Power Apps](/en/Clients/MicrosoftPowerApps-Client)
* [Microsoft PowerAutomate](/en/Clients/MicrosoftPowerAutomate-Client)
* [Qlik Sense Cloud](/en/Clients/QlikSenseCloud-Client)
* [Tableau Cloud](/en/Clients/TableauCloud-Client)

After connecting to an integration tool, see [Query Syntax](/en/VSS-Query-Syntax) for examples of supported query syntax.