Process & Analyze SQL Server Data in Databricks (AWS)

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SQL Server Driver

Rapidly create and deploy powerful Java applications that integrate with Microsoft SQL Server.



Host the CData JDBC Driver for SQL Server in AWS and use Databricks to perform data engineering and data science on live SQL Server data.

Databricks is a cloud-based service that provides data processing capabilities through Apache Spark. When paired with the CData JDBC Driver, customers can use Databricks to perform data engineering and data science on live SQL Server data. This article walks through hosting the CData JDBC Driver in AWS, as well as connecting to and processing live SQL Server data in Databricks.

With built-in optimized data processing, the CData JDBC Driver offers unmatched performance for interacting with live SQL Server data. When you issue complex SQL queries to SQL Server, the driver pushes supported SQL operations, like filters and aggregations, directly to SQL Server and utilizes the embedded SQL engine to process unsupported operations client-side (often SQL functions and JOIN operations). Its built-in dynamic metadata querying allows you to work with and analyze SQL Server data using native data types.

Install the CData JDBC Driver in Databricks

To work with live SQL Server data in Databricks, install the driver on your Databricks cluster.

  1. Navigate to your Databricks administration screen and select the target cluster.
  2. On the Libraries tab, click "Install New."
  3. Select "Upload" as the Library Source and "Jar" as the Library Type.
  4. Upload the JDBC JAR file (cdata.jdbc.sql.jar) from the installation location (typically C:\Program Files\CData\CData JDBC Driver for SQL Server\lib).

Access SQL Server Data in your Notebook: Python

With the JAR file installed, we are ready to work with live SQL Server data in Databricks. Start by creating a new notebook in your workspace. Name the notebook, select Python as the language (though Scala is available as well), and choose the cluster where you installed the JDBC driver. When the notebook launches, we can configure the connection, query SQL Server, and create a basic report.

Configure the Connection to SQL Server

Connect to SQL Server by referencing the JDBC Driver class and constructing a connection string to use in the JDBC URL.

Step 1: Connection Information

driver = "cdata.jdbc.sql.SQLDriver"
url = "jdbc:sql:User=myUser;Password=myPassword;Database=NorthWind;Server=myServer;Port=1433;"

Built-in Connection String Designer

For assistance in constructing the JDBC URL, use the connection string designer built into the SQL Server JDBC Driver. Either double-click the JAR file or execute the jar file from the command-line.

java -jar cdata.jdbc.sql.jar

Fill in the connection properties and copy the connection string to the clipboard.

Connecting to Microsoft SQL Server

Connect to Microsoft SQL Server using the following properties:

  • Server: The name of the server running SQL Server.
  • User: The username provided for authentication with SQL Server.
  • Password: The password associated with the authenticating user.
  • Database: The name of the SQL Server database.

Connecting to Azure SQL Server and Azure Data Warehouse

You can authenticate to Azure SQL Server or Azure Data Warehouse by setting the following connection properties:

  • Server: The server running Azure. You can find this by logging into the Azure portal and navigating to "SQL databases" (or "SQL data warehouses") -> "Select your database" -> "Overview" -> "Server name."
  • User: The name of the user authenticating to Azure.
  • Password: The password associated with the authenticating user.
  • Database: The name of the database, as seen in the Azure portal on the SQL databases (or SQL warehouses) page.

Load SQL Server Data

Once you configure the connection, you can load SQL Server data as a dataframe using the CData JDBC Driver and the connection information.

Step 2: Reading the data

remote_table = spark.read.format ( "jdbc" ) \
	.option ( "driver" , driver) \
	.option ( "url" , url) \
	.option ( "dbtable" , "Orders") \
	.load ()

Display SQL Server Data

Check the loaded SQL Server data by calling the display function.

Step 3: Checking the result

display (remote_table.select ("ShipName"))

Analyze SQL Server Data in Databricks

If you want to process data with Databricks SparkSQL, register the loaded data as a Temp View.

Step 4: Create a view or table

remote_table.createOrReplaceTempView ( "SAMPLE_VIEW" )

With the Temp View created, you can use SparkSQL to retrieve the SQL Server data for reporting, visualization, and analysis.

% sql

SELECT ShipName, Freight FROM SAMPLE_VIEW ORDER BY Freight DESC LIMIT 5

The data from SQL Server is only available in the target notebook. If you want to use it with other users, save it as a table.

remote_table.write.format ( "parquet" ) .saveAsTable ( "SAMPLE_TABLE" )

Download a free, 30-day trial of the CData JDBC Driver for SQL Server and start working with your live SQL Server data in Databricks. Reach out to our Support Team if you have any questions.