A Client/Server Database System with improved methods for performing database queries, particularly DSS-type queries, is described. The system includes one or more Clients (e.g., Terminals or PCs) connected via a Network to a Server. In general operation, Clients store data in and retrieve data from...http://www.google.ca/patents/US5937415?utm_source=gb-gplus-sharePatent US5937415 - Data base development system with methods facilitating copying of data from one data source to another