我对如何打印定义类型的对象的所有值有疑问。我有一个PROJECTT类型的对象表SP。当我在SP中查询其对象的行时,它将返回对象的类型(PROJECTT),但不返回对象的内容。 PROJECTT类型有5个varchar列,这是我想要返回的。从一列嵌套表中选择SQL
下面是我的SQL我的表,然后使用Java SAX解析器和XML文件类型
set echo on
set serveroutput on
drop table ACTIVES;
drop table POBJECT;
drop type ACTIVEST;
drop type POBJECTT;
create type POBJECTT as
object (p# varchar(5), pname varchar(20), color varchar(10),
weight number, city varchar(10));
create table POBJECT of POBJECTT;
insert into POBJECT(p#, pname, color, weight, city) values
('P1', 'Nut', 'Red', 12, 'London');
insert into POBJECT(p#, pname, color, weight, city) values
('P2', 'Bolt', 'Green', 17, 'Paris');
insert into POBJECT(p#, pname, color, weight, city) values
('P3', 'Screw', 'Blue', 17, 'Rome');
insert into POBJECT(p#, pname, color, weight, city) values
('P4', 'Screw', 'Red', 14, 'London');
insert into POBJECT(p#, pname, color, weight, city) values
('P5', 'Cam', 'Blue', 12, 'Paris');
insert into POBJECT(p#, pname, color, weight, city) values
('P6', 'Cog', 'Red', 19, 'London');
create type ACTIVEST as table of ref POBJECTT;
/
create table ACTIVES(s# varchar(5), sname varchar(20), status number,
city varchar(10), sp ACTIVEST)
,我填的活性成分的SP柱在POBJECTS表中的行引用。
我想用select语句打印这些行。我不太清楚如何让SP的目标的价值,所以我就开始喜欢的东西:
select * from (select sp from actives where S# = 'S1')
请发布您的表和类型的CREATE语句以及您的查询的SQL。 – 2012-04-20 16:56:08
+1用于补充问题@BobJarvis评论 – Matthew 2012-04-20 19:27:46
更新了更多信息! :) – Teknos 2012-04-20 20:48:34