Patent ID: 7143080
Filing Date: 2006-11-28
Classification: G06F,Y10S

Abstract:
1. A method for processing a database command, performed by an alternate database engine, the method comprising: receiving, from a user, a database command requiring data from a first database engine, the first database engine having a command layer for processing database commands; and separately processing the database command using a command layer of an alternate database engine without accessing the command layer of the first database engine; evaluating the database command to determine system usage of the database command at the database engine, prior to execution of the database command; determining a threshold value for system usage of the alternate database engine, wherein the threshold value is based on one or more of: estimated processor usage, estimated memory usage, input/output resource usage and disk resource usage of the alternate database engine; generating a result of the database command; and transmitting the result to the user submitting the database command.