This volume, the second in a three part series of self paced training courses covering the UniVerse(R) platform, lifts the lid on the vital role of the Server Developer in providing the core business logic that lies behind some of the most powerful client/server and internet solutions. The course covers the two main application languages, the creation and use of metadata and dictionaries, patterns for working with data, locking strategies, code structure, building robust applications and more advanced facilities for working with network and device programming, external data sources, JSON and XML.