Oracle 尝试打印输出时出现pls-00306错误
此代码块在调用“put_line”时返回错误pls-00306错误的参数数量或类型:Oracle 尝试打印输出时出现pls-00306错误,oracle,plsql,Oracle,Plsql,此代码块在调用“put_line”时返回错误pls-00306错误的参数数量或类型: SET SERVEROUTPUT ON DECLARE ch varchar2(16); cursor ebs_user_cur is select xmlagg(xmlelement("r", ch)).extract('//text()').getstringval() from ( select distinct first_value(ch) ov
SET SERVEROUTPUT ON
DECLARE
ch varchar2(16);
cursor ebs_user_cur
is
select xmlagg(xmlelement("r", ch)).extract('//text()').getstringval()
from
(
select distinct first_value(ch) over (partition by lower(ch))
from (
select substr('abcd#efghijklmn#pqrstuvwxyzABC$DEFGHIJK$LMNPQR!STUVWXYZ1!23456789',
level, 1) ch
from dual
connect by level <= 59
order by dbms_random.value
)
where rownum <= dbms_random.value(18,18)
);
l_passwd ebs_user_cur%ROWTYPE;
BEGIN
open ebs_user_cur;
loop
fetch ebs_user_cur into l_passwd;
DBMS_OUTPUT.PUT_LINE(l_passwd);
EXIT WHEN l_passwd%NOTFOUND;
END LOOP;
close ebs_user_cur;
END;
错误在哪里
多谢各位
您应该在游标中指定列别名
您应该在l_passwd中指定确切的字段名。{field_name}:
将服务器输出设置为ON
声明
ch varchar216;
光标ebs\U user\U cur
是
选择xmlaggxmlelementr,ch.extract'//text.getstringval
作为res-