Patent ID: 6243715
Filing Date: 2001-06-05
Classification: G06F,Y10S

Abstract:
A method for updating at least one record in each of a plurality of replicated databases, said method comprising the steps of:selecting one of said plurality of databases as a selected database with the remaining databases being non-selected databases;transmitting to each of said non-selected databases update data for updating said at least one record and pointer data identifying said selected database;redirecting queries regarding said at least one record made to said non-selected databases to said selected database in accordance with said pointer data;transmitting to said selected database said update data for updating said at least one record in said selected database;updating said at least one record in said selected database with said update data;instructing said non-selected databases to update said at least one record with said update data; andinstructing said non-selected databases to clear said pointer data so that queries regarding said at least one record are once again handled by said non-selected databases.