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create or replace procedure pro_test_record(vid in varchar2) is
type userRow is record(
id t_user.id%type,
name t_user.name%type
);
realRow userRow;
begin
select id,name into realRow from t_user where id=vid;
dbms_output.put_line(realRow.id||','||realRow.name);
end pro_test_re ......

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         select event,sum(decode(wait_time,0,0,1)) prev, sum(decode(wait_time,0,1,0)) curr,count(*)
from v$session_wait
group by event order by 4;
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select name,waits,gets,waits/gets ratio from v$rollstat a,v$rollnam ......

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create or replace procedure prc_statistic_declare(table_name varchar2 ,table_name_pass varchar2 ,not_exist varchar2,not_exist_record varchar2)
--eg:'t_statistic_bianyuanhu_month',t_statistic_bianyuanhu_month,('YEAR','STATISTIC_ID')','YESR'
is
   v_sql_column varchar2(1000);
   ......

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1. ORA-00604 error occurred at recursive SQL level string.
2.ORA-12705: invalid or unknown NLS parameter value.
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