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下面看下Oracle游标的简易用法,具体代码如下所示:
create or replace procedure NW_DelYW(iOPERATION_ID number,
sUserID varchar2) is
sCurDJBH yw_operation_link.djbh%type;
cursor table_yw(ywid yw_operation.id%type) is
select * from yw_operation_link t1 where t1.operation_id = ywid;
begin
for dr in table_yw(iOPERATION_ID) loop
sCurDJBH := dr.djbh;
--取得opercationid
/* select t1.operation_id
into sOperationID
from yw_operation_link t1
where t1.djbh = sCurDJBH;*/
--写日志
insert into log_zfywinfo
(DJBH,
DJDL,
DJXL,
DLMC,
XLMC,
SLR,
SLRID,
SQRXM,
FWZL,
ZFRQ,
ZFRID,
zfr)
select distinct sCurDJBH,
t4.id,
t3.id,
t4.name,
t3.name,
t1.slry,
t1.slryid,
t1.SQRXM,
t1.zl,
sysdate,
sUserID,
(select tt.name from pw_user tt where tt.id=sUserID)
from yw_operation t1
join yw_operation_link t2
on t2.operation_id = t1.ID
join BUSINESS_TYPE t3
on t3.id = t1.business_id
join BUSINESS_CLASS t4
on t4.id = t3.parent_id
where t1.ID = dr.operation_id;
exception
when others then
rollback;
dbms_output.put_line(sqlerrm);
end NW_DelYW;
Oracle使用cursor 游标循环添加删除更新。
知识点扩展:
Oracle游标简单示例
使用游标打印员工姓名和薪水
set serveroutput on; declare cursor cemp is select ename,sal from emp; cname emp.ename%type; csal emp.sal%type; begin open cemp; loop fetch cemp into cname,csal; exit when cemp%notfound; dbms_output.put_line(cname || '的薪水是' || csal); end loop; end; /
带参数的游标
使用游标打印某部门号的所有员工姓名
set serveroutput on; declare cursor cemp(cno emp.deptno%type) is select ename from emp where emp.deptno = cno; cname emp.ename%type; begin open cemp(10); loop fetch cemp into cname; exit when cemp%notfound; dbms_output.put_line(cname); end loop; end; /
总结
以上所述是小编给大家介绍的详解Oracle游标的简易用法,希望对大家有所帮助,如果大家有任何疑问请给我留言,小编会及时回复大家的。在此也非常感谢大家对网站的支持!
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