Oracle Forms

Hi Team

I have scenario to check the data case sensitive i.e

I have table called parther_grouping

create table parther_grouping  ( Parther_Main_Group Varchar2(100));

insert into parther_grouping values ('Data Main');

insert into parther_grouping values ('Data Main');

insert into parther_grouping values ('Oracle');

insert into parther_grouping values ('data Main');

select Parther_Main_Group  from parther_grouping ;

Data Main

Data Main

Oracle

data Main

If see above column Parther_Main_Group i have group of Data Main with 3 and One is small letter *d*(data Main)

i need to find those records it is just example script i have around 10,000 recrods Parther_Main_Group

Version Oracle 9i

Thanks in Advance