Patent ID: 6647360
Filing Date: 2003-11-11
Classification: G06F

Abstract:
A method for scrolling database records by a client on a client-server system where a database holds records, accessible by a server, that each includes a unique identifier, the method comprising the steps of:(a) defining a set of the database records by the client with a query and retrieving a subset of said defined database records by the server for delivery to the client; (b) determining an upper context token and a lower context token by the server corresponding to the end records for said subset of said defined records, the upper and lower context tokens including at least said identifier for the respective upper and lower records, the upper and lower context tokens being sent to and stored by the client; and (c) making a scrolling request by the client, said scrolling request including either the upper or lower context token, the server utilizing the included upper or lower context token to retrieve an adjacent subset of said defined records; (d) the server determining new upper and lower context tokens for said adjacent subset of records; and (e) returning said adjacent subset to the client, together with the new context tokens.