I have a task of comparing the huge piece of data

I have a task of comparing the huge piece of data from two different databases. I was thinking of excel sheet for comparison. Can anybody suggest me any other ways to do it?. if you have any, please tell me how?

Thanks so much for helping

[b]Question asked by visitor Arun[/b]

Depends on what you want to compare if its xml you can do it using QTP
or if you want to do a fast DB comparison you can use SQLDiff as well.