Querying XML files with Tableau via Flexter

Uli Bethke Tableau, XML, XSD

Tutorial - Querying XML files with Tableau Tableau is a great visualisation tool that works with a large number of different file and data formats. One format that is not supported is data in XML files. There are some workarounds, e.g. using Excel to flatten the XML file. However, with deeply nested files or XMLs with a complex schema this ...

Hadoop User Group Ireland Meetup (24 June 2015): An Introduction to Spark

Uli Bethke Big Data, Hadoop, HUG Ireland, Spark, SparkSQL, SQL, Tableau, Uncategorized

Thanks again to everyone who attended the third Hadoop User Group Ireland meetup. Also thanks to Bank of Ireland Grand Canal Square for making the venue available. Participants in the event can send feedback to their Twitter and Facebook accounts: facebook.com/BOIGrandCanalSquare twitter.com/BOIGrandCanalSQ. Also thanks to Étienne from Idiro and Antonio from HP for their great presentations. We have all of ...

In-memory analytics with Tableau, SparkSQL, and MapR

Uli Bethke Big Data, Hadoop, Hive, MapR, Spark, SparkSQL, Tableau

Last week Tableau released version 9.0 of their data visualisation tool. From a Big Data point of view the nicest new feature was support for querying cached (in-memory) SchemaRDDs (Data Frames as of Spark 1.3). In this tutorial I will show you how to connect to Spark 1.2.1 on the MapR 4.1 sandbox with Tableau 9.0. Pre-requisites: - Download the ...