The article provides a tutorial on connecting Tableau Software to Apache Cassandra via Apache Spark. It explains how to create a simple Tableau dashboard based on Cassandra data using the Spark ODBC driver for integration. The tutorial includes installation and setup instructions, as well as step-by-step guides for each process. Key points include installing DataStax Enterprise (DSE), starting the Spark Thrift JDBC/ODBC server, creating demo data, downloading and installing the Databricks ODBC driver for Spark, connecting Tableau Software to Apache Spark server, setting up Cassandra connection, creating a Tableau dashboard, and checking SQL queries generated on the fly.