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Python Experiments in Tableau 1. – Add live currency conversion to Tableau Dashboards using TabPy
January 9, 2018
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In a new series of blog posts, what I creatively named as “Python Experiments in Tableau”, I will share a few projects that we are doing in-house to play with Python and Tableau. In the first example we will do something special with the “External Services” functionality: add live data from web services to implement up […]
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Vacuum Analyze with Talend Open Studio
March 23, 2015
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The whole started with a requirement to vacuum analyze our production greenplum appliances. The problem was with the timing, we only had two hours to complete the activity. This means we would need to start with the table that was never vacuumed, then followup with the other tables ordered by vacuum date and stop process precisely after […]
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ETL + VIZ Lecture at the University of Szeged
October 14, 2014
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One friend of mine teaches – among other things – human information science at the University of Szeged in the LIS Department and he invited me to give a lecture for his students. I was really happy because I think that spreading the word is the second most important thing an enthusiast can do for the […]
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Creating a simple dashboard in Tableau with Talend and MySQL
September 15, 2014
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Tableau and some ETL In the following post I’m going to show you how to create a simple dashboard in Tableau from a MySQL database table which contains data from an .csv file loaded into the database via Talend. It’s also an easy to understand and hopefully working introduction to a basic ETL process, so […]