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How to work with Veeva Data in Apache Spark using SQL

Access and process Veeva Data in Apache Spark using the CData JDBC Driver.

Apache Spark is a fast and general engine for large-scale data processing. When paired with the CData JDBC Driver for Veeva, Spark can work with live Veeva data. This article describes how to connect to and query Veeva data from a Spark shell.

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

Install the CData JDBC Driver for Veeva

Download the CData JDBC Driver for Veeva installer, unzip the package, and run the JAR file to install the driver.

Start a Spark Shell and Connect to Veeva Data

  1. Open a terminal and start the Spark shell with the CData JDBC Driver for Veeva JAR file as the jars parameter: $ spark-shell --jars /CData/CData JDBC Driver for Veeva/lib/cdata.jdbc.veevavault.jar
  2. With the shell running, you can connect to Veeva with a JDBC URL and use the SQL Context load() function to read a table.

    You are ready to connect after specifying the following connection properties:

    • Url: The host you see in the URL after you login to your account. For example:
    • User: The username you use to login to your account.
    • Password: The password you use to login to your account.

    Built-in Connection String Designer

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

    java -jar cdata.jdbc.veevavault.jar

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

    Configure the connection to Veeva, using the connection string generated above.

    scala> val veevavault_df ="jdbc").option("url", "jdbc:veevavault:User=myuser;Password=mypassword;Server=localhost;Database=mydatabase;").option("dbtable","NorthwindProducts").option("driver","cdata.jdbc.veevavault.VeevaVaultDriver").load()
  3. Once you connect and the data is loaded you will see the table schema displayed.
  4. Register the Veeva data as a temporary table:

    scala> veevavault_df.registerTable("northwindproducts")
  5. Perform custom SQL queries against the Data using commands like the one below:

    scala> veevavault_df.sqlContext.sql("SELECT ProductId, ProductName FROM NorthwindProducts WHERE CategoryId = 5").collect.foreach(println)

    You will see the results displayed in the console, similar to the following:

Using the CData JDBC Driver for Veeva in Apache Spark, you are able to perform fast and complex analytics on Veeva data, combining the power and utility of Spark with your data. Download a free, 30 day trial of any of the 200+ CData JDBC Drivers and get started today.