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create or replace procedure func_check_salary(v_min_sal number,v_max_sal number, cur_result out sys_refcursor)
is
begin
open cur_result for 'select case when sal <:1 then :2 when sal>:3 then :4 else :5 end out_result
from emp ' using v_min_sal,'ÄãµÄ¹¤×ÊÌ«µÍÁË£¡',v_max_sal,'ÄãµÄ¹¤×ʲ»´í£¡', 'Õý³£¹¤×Êˮƽ£¡'
end;
SQL> CREATE OR REPLACE FUNCTION test_sal
2 (pi_sal1 emp.sal%TYPE,
3 pi_sal2 emp.sal%TYPE
4 )
5 RETURN SYS_REFCURSOR
6 IS
7 v_sqlstr VARCHAR2(250);
8 po_result SYS_REFCURSOR;
9
10 BEGIN
11 v_sqlstr := 'SELECT empno||''ºÅ¹ÍÔ±''||ename||CASE '||
12 'WHEN sal BETWEEN '||pi_sal1||' AND '||pi_sal2||' THEN ''¹¤
×ÊΪ£º''||sal '||
13 &
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