Patent ID: 7269583

Claim:
A method of verifying a conversion of at least one database command, comprising: converting from a first format to a second format the at least one command corresponding to an intended result; providing the at least one command in the second format to a first database program that will not execute, in a manner that produces the intended result, the command in the first format; receiving a first result from the first database program; providing to a second database program, different from the first database program, at least one selected from: the at least one command in the first format; at least one command in a third format converted from the first format; and the at least one command in the second format; receiving a second result from the second database program; comparing a content and row order of the first result and the second result; determining a validity of the command in the second format responsive to the comparing step; and operating a computer system responsive to the determining the validity step.