oracle 100内的偶数和（在线）

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用这个：
*************
declare
sums int;
i int;
begin
sums:=0;
i:=2;
while i<=100
loop
sums:=sums+i;
i:=i+2;
end loop;
dbms_output.put_line('100内的偶数和:'||sums);
end;
/

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执行log：
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[TEST@ora1] SQL>set serveroutput on;
[TEST@ora1] SQL>declare
2 sums int;
3 i int;
4 begin
5 sums:=0;
6 i:=2;
7 while i<=100
8 loop
9 sums:=sums+i;
10 i:=i+2;
11 end loop;
12 dbms_output.put_line('100内的偶数和:'||sums);
13 end;
14 /
100内的偶数和:2550

PL/SQL procedure successfully completed.

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以上，希望对你有所帮助。

protected void Page_Load(object sender, EventArgs e)
{
int sum = 0;
for (int i = 0; i <= 100; i += 2)
{