XML attributes and object types

Question

I want to create an XML Document of the following form
<family>
<parent attr1="val1">
<child attr2="val2" attr3="val3"/>
</parent>
</family>
Using object table and object type (for the child element), I am able to produce the following XML Document (with a "select * from family" query)
<family> <!-- rowset -->
<parent> <!-- row -->
<attr1>val1</attr1>
<child>
<attr2>val2</attr2>
<attr3>val3</attr3>
</child>
</parent>
</family>
The question is: how am I going to query these data so that the "attr" elements are mapped to attributes (using XSU only, without XSLT)?
I have already tried the following:
1. Using
SELECT attr1 as "@attr1",
f.child.attr2 "@attr2",
f.child.attr3 "@attr3"
FROM family f
all the attributes are obviously appended to the "parent" element.
2. Using nested table for "child" and the following query
SELECT attr1 as "@attr1",
CURSOR (
SELECT n.child.attr2 as "@attr2", n.child.attr3 as "@attr3"
FROM TABLE(f.child n)
) AS "child"
FROM family f
I am getting the following document
<family>
<parent attr1="val1">
<child>
<child_ROW attr2="val2" attr3="val3"/>
</child>
</parent>
</family>
Is there a smart SQL query to produce the desired document? What data types
is it recommended to use to define my db schema (object types, nested tables...)?
Thank you in advance
null

Answer 1

Finally, I got the desired XML format output from relational tablse using schema based XMLType views.
Wherein I created Object Types from relational table, generated the schema for the Object type, registered the schema and finally created XMLType Views for populating the XML data from Relational Tables.
I guess, you all might aware of my problem, where I got struck. Instead of printing the data in XML format I am successful in generating the XML format data Using the Query Select from BLABLA_Type_view* . I am able to print the number of rows, that I require which is in the fallowing format.
Column Name
1. SYS.XMLTYPE ----- As a row
The view I am querying for is printing the data in a string format, where in I got to do the fallowing query
SELECT SYS.XMLTYPE.getStringVal(OBJECT_VALUE) FROM BLABLA_Type_view. Which ultimately gave me the required data in XML format with tags.
Thanks for every one who tried to give a try to solve, especially "mdrake"