Usability Improvements in CloverETL 3.1

One of the most noticeable set of changes in CloverETL version 3.1 is the interface improvements, substantially improving Clover's usability and understandability. These improvements save both new and old users valuable time when creating or manipulating their data transformation graphs and further cement CloverETL's place as one of the most easy to use ETL tools on the market.[Continue reading]

Working with CloverETL as a New User

I would like to share my experience with CloverETL as an external person. I study at Georgia Institute of Technology in Atlanta, GA with a major in Computer Science. On my search for interesting internships in Europe I found about Javlin a.s., a company based in Prague. As I wanted to get on hand experience with programming and software development I was immediately interested in this company. It sounded like an appealing opportunity where I could gain a lot of helpful knowledge and work experience.[Continue reading]

Parallel Data Processing Comparison – CloverETL vs. Talend vs. Pentaho (Part 3)


As I have promised I bring you a complex comparison of ETL tools: CloverETL, Talend and Pentaho.
Short summary of my previous posts: For testing I used two transformations based on TPCH test and the input data generated by dbgen utility. The transformations were run on my laptop with Windows Vista Home Premium. For detail information see part 1 and part 2.[Continue reading]

CloverETL – more than just extract, transform & load

Can ETL be used for something useful - aside extract, transform & load ?
I played with an idea that common applications, which include data entry & data processing, can be split into simple, web based data entry application (optionally also data presentation) and business logic implemented as an ETL process. With CloverETL, the transformation piece can be also called as a WEB application - thank to Clover's "launch services" which seamlessly convert any transformation into WEB service where data are passed-in and sent-out through HTTP protocol (POST request).[Continue reading]