Oracle ÏÔʽÓαê
--------------------ÏÔʽÓαê
--²éѯÊý¾Ý
select * from employees;
--¶¨Ò岿·Ö
declare
--ÉùÃ÷Óαê
cursor mycur is select * from employees where employee_id<120;
--¶¨ÒåÒ»¸ö¼¯ºÏ±äÁ¿ÓÃÓڴ洢ij¸ö±íµÄÒ»Ìõ¼Ç¼
rowdata employees%rowtype;
--Ö´Ðв¿·Ö
begin
--´ò¿ªÓαê
open mycur;
loop
--ÔÚÑ»·ÖÐÓÃfetchÌáÈ¡¼Ç¼
fetch mycur into rowdata;
dbms_output.put_line('salary:'||rowdata.salary||' '||'hire_date:'||rowdata.hire_date||' '||'first_name:'||rowdata.first_name);
--ÓÃ%notfoundÊôÐÔ¼ì²âÊÇ·ñµ½×îºóÒ»Ìõ¼Ç¼
exit when mycur%notfound;
end loop;
--Ìá½»ÊÂÎñ;
commit;
--¹Ø±ÕÓαê
close mycur;
--Òì³£²¿·Ö
exception
--ÓÐÒì³£Ôò»Ø¹ö
when others then
rollback;
end;
/
--------------------²ÎÊýÓαê
--²éѯÊý¾Ý
select * from employees where salary<=10000;
--¶¨Ò岿·Ö
declare
--¶¨ÒåÓαꣻעÒ⣺²ÎÊýÀàÐÍ(input_salary)²»ÐèÒªÖ¸¶¨¾«¶È
cursor mycur(input_salary number) is select * from employees where salary<input_salary;
--¶¨ÒåÒ»¸ö¼¯ºÏ±äÁ¿ÓÃÓÚ´æ´¢Ä
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2008-11-12 22:30
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Microsoft Windows 2000 [Version 5.00.2195]
(C) °æȨËùÓÐ 1985-2000 Microsoft Corp.
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