Connect to Azure SQL Data Warehouse

Get connected to Azure SQL Data Warehouse.

Find your server name

The server name in the following example is To find the fully qualified server name:

  1. Go to the Azure portal.

  2. Click on SQL data warehouses.

  3. Click on the data warehouse you want to connect to.

  4. Locate the full server name.

    Full server name

Supported drivers and connection strings

Azure SQL Data Warehouse supports ADO.NET, ODBC, PHP, and JDBC. To find the latest version and documentation, click on one of the preceding drivers. To automatically generate the connection string for the driver that you are using from the Azure portal, click on the Show database connection strings from the preceding example. Following are also some examples of what a connection string looks like for each driver.


Consider setting the connection timeout to 300 seconds to allow your connection to survive short periods of unavailability.

ADO.NET connection string example

Server=tcp:{your_server},1433;Database={your_database};User ID={your_user_name};Password={your_password_here};Encrypt=True;TrustServerCertificate=False;Connection Timeout=30;

ODBC connection string example

Driver={SQL Server Native Client 11.0};Server=tcp:{your_server},1433;Database={your_database};Uid={your_user_name};Pwd={your_password_here};Encrypt=yes;TrustServerCertificate=no;Connection Timeout=30;

PHP connection string example

Server: {your_server},1433 \r\nSQL Database: {your_database}\r\nUser Name: {your_user_name}\r\n\r\nPHP Data Objects(PDO) Sample Code:\r\n\r\ntry {\r\n   $conn = new PDO ( \"sqlsrv:server = tcp:{your_server},1433; Database = {your_database}\", \"{your_user_name}\", \"{your_password_here}\");\r\n    $conn->setAttribute( PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION );\r\n}\r\ncatch ( PDOException $e ) {\r\n   print( \"Error connecting to SQL Server.\" );\r\n   die(print_r($e));\r\n}\r\n\rSQL Server Extension Sample Code:\r\n\r\n$connectionInfo = array(\"UID\" => \"{your_user_name}\", \"pwd\" => \"{your_password_here}\", \"Database\" => \"{your_database}\", \"LoginTimeout\" => 30, \"Encrypt\" => 1, \"TrustServerCertificate\" => 0);\r\n$serverName = \"tcp:{your_server},1433\";\r\n$conn = sqlsrv_connect($serverName, $connectionInfo);

JDBC connection string example


Connection settings

SQL Data Warehouse standardizes some settings during connection and object creation. These settings cannot be overridden and include:

Database Setting Value

Next steps

To connect and query with Visual Studio, see Query with Visual Studio. To learn more about authentication options, see Authentication to Azure SQL Data Warehouse.