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Transforming an XML document into a table structure with Pentaho Kettle/PDI
In the past few months I have been using data sets provided by Eurostat a lot and so I crafted a Kettle job that loads SDMX files (an XML document keeping the data), sets up custom-tailored tables in a...
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Pentaho Kettle 4.4 database repository under the hood
We are using Pentaho Kettle 4.4 for realizing ETL processes and to make the involved jobs centrally accessible those are stored in a database repository. Given that several proxies separate my VPN...
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Pentaho Kettle 5 comes with improved database repository performance
Two weeks ago I wrote about Kettle 4.4 and its database repository and how working with it is truly no fun due to excessive latency connected with loading and saving of jobs and transformations....
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Using the Dimension Lookup/Update Step in Pentaho Kettle
In a traditional star schema the dimensions are located within specialized tables which are referred to by numeric keys from the fact table. A dimension can represent anything from the gender (“male”,...
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Mondrian Schema for OLAP Cube Definition ft. Google Analytics and Saiku
What I am going to showcase in this tutorial is how to load web stats from Google Analytics into a fact table with Penthao Kettle/PDI. And then how to represent that fact table with Mondrian 3.6 schema...
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