The theme of this book is the potential of new advanceddatabase systems. The volume presents the proceedings of the10th British National Conference on Databases, held inAberdeen, Scotland, in July 1992. The volume contains two invited papers, one on the promiseof distributed computing andthe challenges of legacysystems by M. L. Brodie, and the other on object-orientedrequirements capture and analysis and the Orca project byD. J. L. Gradwell. The following four parts each contain three submitted papersselected from a total of 36 submissions. The parts areentitled:- Object-oriented databases- Parallel implementationsand industrial systems- Non-relational data models- Logic programming and databases