Checklist for a successful data lake implementation

Uli Bethke Data lake

In two recent blog posts I have outlined Sonra’s vision for a data lake architecture. In the first one I discussed various flaws in the data lake concept. In the second, I argued that Hadoop or more precisely HDFS is a poor choice for a data lake. Let’s briefly recap the discussion. What is a data lake? A data lake ...

Connecting a Zeppelin Notebook to Snowflake in under 5 minutes

Dorian Beganovic Snowflake

About Notebooks In this blog post we will show you how easy it is to connect Zeppelin notebooks to Snowflake Cloud Data Warehouse. We will also execute some queries and visualize the results using Zeppelin’s built-in tools. Notebooks are useful for exploratory data analysis, data discovery and data storytelling. As they are web based they can be shared between different ...

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 ...