sssssssssssssssss

System.out.println(System.getProperty("file.encoding"));

<input type="button" onclick="doClose()" value="close">
<script language="javascript">
function doClose()
{
???????window.top.opener = null;??
???????window.top.close();
}
</script>

<value></value>表示空字符串，如果要將屬性值設(shè)置為null必須用<null/>

variable ds number;
begin
? dbms_job.submit(:ds,'insert into testdb values(500);',sysdate,'sysdate+1/360');
? commit;
end;

variable ds number;
begin
? dbms_job.submit(:ds,'insert into testdb values(500);',sysdate,null);
? commit;
end;

variable ds number;
begin
? dbms_job.submit(:ds,'insert into testdb values(600);',to_date('2005-12-01 10:35:30','yyyy-mm-dd hh24:mi:ss'),'sysdate+1/360');
? commit;
end;

-------------------------------------------------------
select job from user_jobs;

-------------------------------------------------------
begin
? dbms_job.remove(1);
? dbms_job.remove(2);
? commit;
end;