Does that mean I have to use recursive trigger to do that? Do I have to use cursor here. I really don't want to. Is there any way around it...

Thank you guys for your advice. I was on vacation for last several days and can't access to Internet. Sorry for my late response. I think I didn't make me...

It's a relational database, I didn't make me clear. the calldata field is only one of the field in dial table. Actually our Dialer vender created that database for using...