Getting USERNAME, FUllNAME, PROJECTNAME, Email, Group using Oracle query

Hi,

Can any one help me to get the following details for specific project using Oracle query. We are using Oracle as a DB. I have a read and write permissions for DB.

USERNAME, FUllNAME, PROJECTNAME, Email and Group (User Role).

I tried the following query. but I am getting error message.

select us_user_name, us_full_name, US_MAIL_ADDRESS, US_GROUP,US_PHONE from users u, users_projects up, projects p where us_user_id=up_user_id and up.project_id=p.project_id and p.project_name='DCT'order by u.user_name;

Help will be appricate.

Thanks & Regards,

Joseph