How to insert a set of rows at a time from another table

Question

Hello!
I have a table1 and table 2 - i want to insert a set of rows at a time from table1 to table 2. Then do a COMMIT. Then continue inserting another set of rows and so on.... say i want to insert into table 2 i million records at a time and then do a commit. then continue with the next 1 million and do a commit and so on..until there are no more records in table 1
Any ideas please!!!!!!!!!!

Answer 1

may be this will help
declare
cursor c1
select * from table1
i_counter binary_integer := 1;
begin
for c1_rec in c1
insert into table2
values(c1_rec.,..);
if i_counter = 1000? then
commit;
i_counter = 1;
end if;
i_counter := i_counter+1;
end loop
end;