Henriette Lyngberg thinks this is interesting: Else From Chapter 5. Sparkling queries with Spark SQL from Spark in Action by Petar Zečević Marko Bonaći Publisher: Manning Publications Released: November 2016 Note getOrCreate, not getOrElse Share this highlight http://www.safaribooksonline.com/a/spark-in-action/4435231/ Twitter Facebook Google Plus Email Get Instant Access Now Start a Free Trial Learn about Safari for Business Have an account? Sign in. Minimise Unlock the rest of Spark in Action and 30,000 other books and videos By clicking this box, you confirm that you have read and agree to the terms and conditions of our Membership Agreement, and you understand that when your trial period ends, you will be required to provide billing information if you wish to continue using the service. Unlock the rest of this book Start a Free 10-Day Trial loading Learn about Safari for Business Have an account? Sign in.