Exploding polygons in Snowflake. KaBooom! Visualising Dublin property data in Tableau.

Dorian Beganovic Snowflake, Tableau

Introduction In this blog post we will show the power of Snowflake UDFs to prepare data for visualisation in Tableau. We take the Irish Census Data from the Central Statistics Office of Ireland and use Snowflake to prepare the dataset for visualization in Tableau. As we have already loaded and pre-processed the Irish Census dataset for this blogpost we are ...

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 ...

About the author

Uli Bethke LinkedIn Profile

Uli has 18 years’ hands on experience as a consultant, architect, and manager in the data industry. He frequently speaks at conferences. Uli has architected and delivered data warehouses in Europe, North America, and South East Asia. He is a traveler between the worlds of traditional data warehousing and big data technologies.

Uli is a regular contributor to blogs and books, holds an Oracle ACE award, and chairs the the Hadoop User Group Ireland. He is also a co-founder and VP of the Irish chapter of DAMA, a non for profit global data management organization. He has co-founded the Irish Oracle Big Data User Group.

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 ...

About the author

Uli Bethke LinkedIn Profile

Uli has 18 years’ hands on experience as a consultant, architect, and manager in the data industry. He frequently speaks at conferences. Uli has architected and delivered data warehouses in Europe, North America, and South East Asia. He is a traveler between the worlds of traditional data warehousing and big data technologies.

Uli is a regular contributor to blogs and books, holds an Oracle ACE award, and chairs the the Hadoop User Group Ireland. He is also a co-founder and VP of the Irish chapter of DAMA, a non for profit global data management organization. He has co-founded the Irish Oracle Big Data User Group.

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 ...

About the author

Uli Bethke LinkedIn Profile

Uli has 18 years’ hands on experience as a consultant, architect, and manager in the data industry. He frequently speaks at conferences. Uli has architected and delivered data warehouses in Europe, North America, and South East Asia. He is a traveler between the worlds of traditional data warehousing and big data technologies.

Uli is a regular contributor to blogs and books, holds an Oracle ACE award, and chairs the the Hadoop User Group Ireland. He is also a co-founder and VP of the Irish chapter of DAMA, a non for profit global data management organization. He has co-founded the Irish Oracle Big Data User Group.