George Jen

Northwind database is a popular demo database and originally came from Microsoft Access. It is great for students to practice SQL challenges and it has been ported to many RDBMS, open source or not.

We have ported it to Apache Spark SQL, a convenience for those who have setup Apache…

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Tutorial connect Tableau desktop to Spark SQL

George Jen, Jen Tek LLC

This tutorial is for hands on in my teaching of Apache Spark integration with Tableau desktop, showing how to connect Tableau desktop to log into Spark SQL.

If interested in, here is the video, hope it can be…

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George Jen, Jen Tek LLC

This video tutorial is to show step by step to use Pycharm Community Edition (free version of Pycharm) to write Python code with PySpark and Graphframes to run graph computing application with Apache Spark SQL.

It is for hands on with my teaching of big…

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George Jen

George Jen

I am founder of Jen Tek LLC, a startup company in East Bay California developing AI powered, cloud based documentation/publishing software as a service.