How to set roles?

From: Joe (imjoe@sinaman.com)
Date: 08/30/02 

From: "Joe" <imjoe@sinaman.com>
Date: Thu, 29 Aug 2002 23:40:18 -0700

I am developing a web application with backend SQL server
2000.

I do not want to assign db_owner role to the a/c to
connect DB. However, diabled the db_owner role from it,
all stored procedure cannot be run and the application
malfunction.

Can anyone help me on how to set it properly?

Joe