Vodafone Data Engineer interview questions

What's the difference between SQL and NoSQL technologies

You have been asked to join a project team who have been tasked with creating new, innovative ideasfor Vodafone to further advance our youth customer engagement by using Technology. You will be presented with information on our vision, current customer journeys, the youth segment and some considerations. Once you have reviewed the information provided, you are asked to individually come up with at least 2 ideas to improve Vodafone’s customer journey using technology. You are then asked to discussthese with the team and come to an agreement on the following points: • 3 ideasfor enhancing Vodafone’s customer journey using technology, outlining what problem they address and the priority of each (which idea is to be developed first, second and third) • How the idea is different to what Vodafone currently do • How your ideas will appeal to Vodafone’s youth segment • An appropriate channel to pilot the idea, with proof of concept and what steps you’d take to roll it out • How you would iterate the solutions over time • Any limitations or challenges you expect