Oracle 10g：插入多行

Question

我有以下 :

select dte, wm_concat(issue) as issues
from ((select date_a as dte, issue from t where date_a is not null) union all
      (select date_b, issue from t where date_b is not null)
     ) di
group by dte
order by dte;

returns 多行，例如：

DTE        | ISSUES
-----------+---------
01/JUN/91  | EE
01/JUN/03  | EE
01/JAN/06  | HH
01/AUG/06  | EE
01/AUG/08  | EE,HS,HE

我想将这些记录插入 table。

问题

插入语句应该怎么写？我是否应该使用游标，因为 INSERT 似乎一次只能处理一行？

Answer 1

使用 select 作为插入的来源：

insert into some_table (dte, issues)
select dte, wm_concat(issue) as issues
from (
   select date_a as dte, issue 
   from t 
   where date_a is not null
   union all
   select date_b, issue 
   from t 
   where date_b is not null
) di
group by dte;

无需将 UNION 的各个查询放在括号之间。

Oracle 10g：插入多行

Oracle 10g: Inserting multiple rows

sql

oracle10g

sql-insert