Create Table from XMLTable (with hierarchy)

Question

Hi,
I've following XML File Structure:
<?xml version="1.0" encoding="ISO-8859-1"?>
<MenuSystem>
<Definition>
<Menue label="Main">
<File label="A">
<File label="B">
<File label="C">
<File label="D">
<Prog label="first"/>
<Prog label="second"/>
<Prog label="third"/>
</File>
<File label="E">
<Prog label="1"/>
<Prog label="2"/>
<Prog label="3"/>
</File>
</File>
<File label="F">
<File label="G">
<Prog label="AA"/>
<Prog label="BB"/>
</File>
<File label="H">
<Prog label="CC"/>
</File>
File label="I">
<Prog label="DD"/>
<Prog label="EE"/>
</File>
</File>
</File>
</File>
</Menue>
</Definition>
</MenuSystem>
what I need is a sql query to get following columns:
ID Parent_ID Tag Value
1 0 Menue Main
2 1 File A
3 2 File B
4 3 File C
5 4 File D
6 5 Prog first
7 5 Prog second

Answer 1

You mean instead of "1", "1.1", "1.2" etc. ?
The XSLT solution described in the link does that (pretty much), you just have to remove the leading "K".
Using XQuery, it's feasible too, but retrieving the node ID adds a little complexity :
SQL> SELECT x.*
  2  FROM temp_xml t
  3     , XMLTable(
  4       'declare function local:getChildren($e as node(), $pID as xs:integer?) as element()*
  5        {
  6          for $i in $e/child::*
  7          let $ID := (for $j at $p in $d/MenuSystem/Definition/descendant::* where $j is $i return $p)
  8          return element r
  9          {
10            element node_id {$ID}
11          , element parent_node_id {$pID}
12          , element node_name {name($i)}
13          , element node_value {data($i/@label)}
14          }
15          | local:getChildren($i,$ID)
16        }; (: :)
17        local:getChildren($d/MenuSystem/Definition,())'
18        passing t.doc as "d"
19        columns node_id         number        path 'node_id'
20              , node_name       varchar2(15)  path 'node_name'
21              , node_value      varchar2(30)  path 'node_value'
22              , parent_node_id  number        path 'parent_node_id'
23       ) x
24  ;
   NODE_ID NODE_NAME       NODE_VALUE                     PARENT_NODE_ID
         1 Menue           Main                          
         2 File            A                                           1
         3 File            B                                           2
         4 File            C                                           3
         5 File            D                                           4
         6 Prog            first                                       5
         7 Prog            second                                      5
         8 Prog            third                                       5
         9 File            E                                           4
        10 Prog            1                                           9
        11 Prog            2                                           9
        12 Prog            3                                           9
        13 File            F                                           3
        14 File            G                                          13
        15 Prog            AA                                         14
        16 Prog            BB                                         14
        17 File            H                                          13
        18 Prog            CC                                         17
        19 File            I                                          13
        20 Prog            DD                                         19
        21 Prog            EE                                         19
21 rows selected