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What is a Data Scientist and How Do I Become One?
Edward Jones
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What exactly is it that data scientists do? Why does everyone want one? And, how do you become one? These are the some of the key questions circulating as the term "data scientist" spreads.



Codebreaking and Colossus
Historian
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In the mid 70s it was revealed that British Intelligence had been using machines to break the German coded communications - and one of the machines was an early electronic computer called Colossus. Can it lay claim to being the first electronic computer?



SQL Workshop - Removing Duplicate Rows
Nikos Vaggalis
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Let’s say that we have a heap table without keys, solely used for dumping raw data into. That data at some point is filtered and cleaned up for further use. As time passes and data accumulates, duplicate rows creep in causing all sorts of issues. So, using SQL, how do we remove the duplicates but keep the one row necessary?


 
 
   
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