query to find when application users changed the password
select USER_NAME,to_char(LAST_UPDATE_DATE,DD:MON:YY HH24:MI:SS) as LAST_UPDATE_DATE to_char(LAST_UPDATED_BY,DD:MON:YY HH24:MI:SS)as LAST_UPDATED_BY,EMPLOYEE_ID from fnd_user where USER_NAME='XXXXXXXX'
select USER_NAME,to_char(LAST_UPDATE_DATE,DD:MON:YY HH24:MI:SS) as LAST_UPDATE_DATE to_char(LAST_UPDATED_BY,DD:MON:YY HH24:MI:SS)as LAST_UPDATED_BY,EMPLOYEE_ID from fnd_user where USER_NAME='XXXXXXXX'