Hi, My query is like this: And I want to convert individualprofiletable.totalTime into HH:MM:SS. Select distinct individualprofiletable.firstname, individualprofiletable.middlename, individualprofiletable.lastname,individualprofiletable.totalTime,usertable.alias From individualprofiletable,registrationpintable,usertable where usertable.user_id=registrationpintable.user_id && individualprofiletable.userid=registrationpintable.user_id && college_name='vtu_college1'; Plz help me.