過(guò)程返回記錄集：
CREATE OR REPLACE PACKAGE pkg_test
AS
TYPE myrctype IS REF CURSOR;
PROCEDURE get (p_id NUMBER, p_rc OUT myrctype);
END pkg_test;
/
CREATE OR REPLACE PACKAGE BODY pkg_test
AS
PROCEDURE get (p_id NUMBER, p_rc OUT myrctype)
IS
sqlstr VARCHAR2 (500);
BEGIN
IF p_id = 0 THEN
OPEN p_rc FOR
SELECT ID, NAME, sex, address, postcode, birthday
FROM student;
ELSE
sqlstr :=
'select id,name,sex,address,postcode,birthday
from student where id=:w_id';
OPEN p_rc FOR sqlstr USING p_id;
END IF;
END get;
END pkg_test;
/
函數(shù)返回記錄集:
建立帶ref cursor定義的包和包體及函數(shù)：
CREATE OR REPLACE
package pkg_test as
/* 定義ref cursor類型
不加return類型，為弱類型，允許動(dòng)態(tài)sql查詢，
否則為強(qiáng)類型，無(wú)法使用動(dòng)態(tài)sql查詢;
*/
type myrctype is ref cursor;
--函數(shù)申明
function get(intID number) return myrctype;
end pkg_test;
/
CREATE OR REPLACE
package body pkg_test as
--函數(shù)體
function get(intID number) return myrctype is
rc myrctype; --定義ref cursor變量
sqlstr varchar2(500);
begin
if intID=0 then
--靜態(tài)測(cè)試，直接用select語(yǔ)句直接返回結(jié)果
open rc for select id,name,sex,address,postcode,birthday from student;
else
--動(dòng)態(tài)sql賦值，用:w_id來(lái)申明該變量從外部獲得
sqlstr := 'select id,name,sex,address,postcode,birthday from student where id=:w_id';
--動(dòng)態(tài)測(cè)試，用sqlstr字符串返回結(jié)果，用using關(guān)鍵詞傳遞參數(shù)
open rc for sqlstr using intid;
end if;
return rc;
end get;
end pkg_test;
/