This book constitutes the refereed proceedings of the Second East European Symposium on Advances in Databases and Information systems, ADBIS '98, held in Poznan, Poland in September 1998.The 25 revised full papers presented were selected from a total of 90 submissions and six extended abstracts within a special section. "East meets West". The papers are organized in topical sections on query languges, optimization, collaborative systems, schema integration, storage and version management, object systems, knowledge discovery and the Web, and systems design.