oracle 存储过程

oracle的for循环，commit放在不同的位置，一个是每次提交，一个是循环玩了之后统一提交！

create or replace procedure pro_test_for is
i number;
begin
i:=0;
for i in 1..5 loop
  insert into login (username,password) values ('abin','varyall');
  
end loop;
commit;
end pro_test_for;

create or replace procedure pro_test_for is
i number;
begin
i:=0;
for i in 1..5 loop
  insert into login (username,password) values ('abin','varyall');
  commit;
end loop;

end pro_test_for;

create or replace procedure abin_4
is
i number;
begin
i:=0;
begin
for i in 1..5 loop
insert into login (username,password) values ('abin','varyall');
end loop;
commit;
end;
end;

create or replace procedure abin_5
is
i number;
begin
i:=0;
loop
i:=i+1;
dbms_output.put_line(i);
if i>5 then
exit;
end if;
end loop;
commit;
end;

create or replace procedure abin_2
is
i number;
begin
i:=0;
while i<5 loop
i:=i+1;
dbms_output.put_line(i);
end loop;
commit;
end;

create or replace procedure abin(aa in number)
is
       uu login.username%type;
       pp login.password%type;       

begin
select username,password into uu,pp from login where username='&aa';
dbms_output.put_line('用户名'||uu);
dbms_output.put_line('密码'||pp);
end;

create or replace procedure abing(aa in number)
is
v login%Rowtype;
begin
select * into v from login where username='&aa';
dbms_output.put_line('用户名'||v.username);
dbms_output.put_line('密码'||v.password);
end;

create or replace procedure varyall
is
cursor myCur is select * from login;
oneRow login%rowtype;
begin
open myCur;
loop
fetch myCur into oneRow;
dbms_output.put_line(oneRow.username||'  '||oneRow.password);
exit when myCur%notfound;
end loop;
close myCur;
end;

create or replace procedure abin
is
cursor myCur is select * from login;
oneRow login%rowtype;
begin
open myCur;
fetch myCur into oneRow;
while(myCur%found)
loop
dbms_output.put_line(oneRow.username||'  '||oneRow.password);
fetch myCur into oneRow;
end loop;
close myCur;
end;

create or replace procedure abin
is
cursor myCur is select * from login;
oneRow login%rowtype;
begin
for oneRow in myCur loop
dbms_output.put_line(oneRow.username||'   '||oneRow.password);
end loop;
end;