Excurse: Introduction to databases
In my previous post I started to explain the SAP Coding Masters Challenge and the assignments, which we had to solve. We should analyse data taken from twitter API to answer different questions. In this post I will tell about the second challenge and make briefly introduction into databases. Second Challenge In the second challenge our teams should solve similar exercises, but this time not with our technologies but with the SAP new HANA database. The challenge was organised to give us the opportunity to get to know this new technology and to work with it. At this point I would like to introduce how the data is stored in conventional databases and how it is different from the SAP HANA. Brief Introduction into Databases Almost every computer program consists of application logic and program data. The data is even more important for the business than logic. It's said that: the business without application logic adapted to its needs will be lame on both its feet, but wi