needed help in sql query

i have table called customer which lists all the customerdetails, in this table custID is primary key custID Name Offline 1 test 0(online) 2 test2 0 3 test3 0 4 test4 1(not in use) 5 test5 1 i have another table called customerReports which lists all the customerReportsdetails custID ReportKey show 1 10 0(enabled) 1 20 0 1 30 0 1 31 1(report disbaled for this client) 1 32 1 1 40 1 2 10 0 2 20 1 2 30 0 2 31 0 2 32 0 2 40 1 3 10 0 3 30 0 3 40 1 i want to list out the report keys diabled for all the customers