SQL on Hadoop

Source: http://www.it-director.com/content.php?cid=14668 The good thing about running SQL on Hadoop is that SQL is a declarative language, which means that you don’t need to know where the data is, you just have to ask for it and then the database works out how to get the information you need. However, unless you have a database optimiserContinue reading “SQL on Hadoop”