Travel summary: S-Bahn trains are found in virtually all major German cities and other built up areas in the country. Think of S-Bahn trains as being similar to Underground and other metro trains. At the largest hauptbahnhofs/main stations, the S-Bahn trains have dedicated platforms - follow the signs that have a green letter ‘S. The question also asks for a comparison of code-first to EDMX model/db-first. Code-first can be used for both of these approaches too: Model-First: Coding the POCOs first (the conceptual model) then generating the database (migrations); OR; Database-First: Given an existing database, manually coding the POCOs to match. (The difference here Azure Cosmos DB is a fully managed NoSQL and relational database for modern app development including AI, digital commerce, Internet of Things, booking management, and other types of solutions. Azure Cosmos DB offers single-digit millisecond response times, automatic and instant scalability, along with guaranteed speed at any scale. According to the Higher Education Statistics Agency, 28 per cent of students in 2018 graduated with a first, and a further 48 per cent with an upper second class degree. There is tough competition First class is nicer, a bit more roomy, and more quiet. In Germany 2nd class means a pretty high standard. Also, I like to talk to people and 2nd class gives me more opportunities. It's usually Just as on the Deutsche Bahn's website, discounts are calculated if you add children or put in a return date. You can also order by phone at +49 1805 99 66 33. Those staying longer in Germany can get discounts for a full year by purchasing one of several Bahn Cards. Also see our general tips for buying point-to-point tickets. bwg4.