Sql to extract data from XML column

Hi I am able to get the the following data to Apex_collection,
Can you help me how to transform it to muliple rows for EventNumber,EventDesc columns.
I have tried with Extractvalue it returns null.
<?xml version="1.0" encoding="ISO-8859-1"?> <ResultSet><DataRow><EventNumber>3</EventNumber><StartDate>03/10/2007</StartDate><EventDesc>Networking Skills</EventDesc><EventReference></EventReference><NumberOfAttendees>0</NumberOfAttendees><MaximumAttendees>45</MaximumAttendees><NumberOnWaitingList>0</NumberOnWaitingList><NumberInterested>0</NumberInterested><SubjectDesc>Skills Session</SubjectDesc><SkillLevelDesc>Group</SkillLevelDesc><EventStatus>TAKI</EventStatus><VenueDesc>LTG</VenueDesc><Template>N</Template><MultiSession>Y</MultiSession><EventClass>AMBA</EventClass></DataRow><DataRow><EventNumber>8</EventNumber><StartDate>10/10/2007</StartDate><EventDesc>Demystifying to IB</EventDesc><EventReference></EventReference><NumberOfAttendees>0</NumberOfAttendees><MaximumAttendees>45</MaximumAttendees><NumberOnWaitingList>0</NumberOnWaitingList><NumberInterested>0</NumberInterested><SubjectDesc>Workshop</SubjectDesc><SkillLevelDesc>Group</SkillLevelDesc><EventStatus>TAKI</EventStatus><VenueDesc>LTG</VenueDesc><Template>N</Template><MultiSession>Y</MultiSession><EventClass>AMBA</EventClass></DataRow><DataRow><EventNumber>14</EventNumber><StartDate>16/10/2007</StartDate><EventDesc>Bank of England Grad Presentation</EventDesc><EventReference></EventReference><NumberOfAttendees>0</NumberOfAttendees><MaximumAttendees>40</MaximumAttendees><NumberOnWaitingList>0</NumberOnWaitingList><NumberInterested>0</NumberInterested><SubjectDesc>Recruitment Presentation</SubjectDesc><SkillLevelDesc>Group</SkillLevelDesc><EventStatus>TAKI</EventStatus><VenueDesc>LTG</VenueDesc><Template>N</Template><MultiSession>Y</MultiSession><EventClass>AMSC</EventClass></DataRow><DataRow><EventNumber>17</EventNumber><StartDate>17/10/2007</StartDate><EventDesc>Effective use of the alumni network</EventDesc><EventReference></EventReference><NumberOfAttendees>0</NumberOfAttendees><MaximumAttendees>45</MaximumAttendees><NumberOnWaitingList>0</NumberOnWaitingList><NumberInterested>0</NumberInterested><SubjectDesc>Other</SubjectDesc><SkillLevelDesc>Group</SkillLevelDesc><EventStatus>TAKI</EventStatus><VenueDesc>LTG</VenueDesc><Template>N</Template><MultiSession>N</MultiSession><EventClass>AMBA</EventClass></DataRow><DataRow><EventNumber>18</EventNumber><StartDate>17/10/2007</StartDate><EventDesc>Personal Brand</EventDesc><EventReference></EventReference><NumberOfAttendees>0</NumberOfAttendees><MaximumAttendees>45</MaximumAttendees><NumberOnWaitingList>0</NumberOnWaitingList><NumberInterested>0</NumberInterested><SubjectDesc>Workshop</SubjectDesc><SkillLevelDesc>Group</SkillLevelDesc><EventStatus>TAKI</EventStatus><VenueDesc>LTG</VenueDesc><Template>N</Template><MultiSession>Y</MultiSession><EventClass>AMBA</EventClass></DataRow><DataRow><EventNumber>19</EventNumber><StartDate>17/10/2007</StartDate><EventDesc>Speed Reading</EventDesc><EventReference></EventReference><NumberOfAttendees>0</NumberOfAttendees><MaximumAttendees>20</MaximumAttendees><NumberOnWaitingList>0</NumberOnWaitingList><NumberInterested>0</NumberInterested><SubjectDesc>Workshop</SubjectDesc><SkillLevelDesc>Group</SkillLevelDesc><EventStatus>TAKI</EventStatus><VenueDesc>LTG</VenueDesc><Template>N</Template><MultiSession>Y</MultiSession><EventClass>AMBA</EventClass></DataRow><DataRow><EventNumber>22</EventNumber><StartDate>18/10/2007</StartDate><EventDesc>Morgan Stanley - Applying to IB</EventDesc><EventReference></EventReference><NumberOfAttendees>0</NumberOfAttendees><MaximumAttendees>30</MaximumAttendees><NumberOnWaitingList>0</NumberOnWaitingList><NumberInterested>0</NumberInterested><SubjectDesc>Recruitment Presentation</SubjectDesc><SkillLevelDesc>Group</SkillLevelDesc><EventStatus>TAKI</EventStatus><VenueDesc>LTG</VenueDesc><Template>N</Template><MultiSession>Y</MultiSession><EventClass>MSCFINRISK</EventClass></DataRow><DataRow><EventNumber>27</EventNumber><StartDate>22/10/2007</StartDate><EventDesc>Power &Energy Group</EventDesc><EventReference></EventReference><NumberOfAttendees>0</NumberOfAttendees><MaximumAttendees>30</MaximumAttendees><NumberOnWaitingList>0</NumberOnWaitingList><NumberInterested>0</NumberInterested><SubjectDesc>Recruitment Presentation</SubjectDesc><SkillLevelDesc>Group</SkillLevelDesc><EventStatus>TAKI</EventStatus><VenueDesc>LTG</VenueDesc><Template>N</Template><MultiSession>Y</MultiSession><EventClass>ACP</EventClass></DataRow></ResultSet>

Or if you have oracle version >= 10gR2 then this is better:
select b.* from
(SELECT xmltype(:your_xml) your_xml FROM dual) a,
XMLTable
('/ResultSet/DataRow'
    PASSING a.your_xml
    COLUMNS
      EventNumber varchar2(10) PATH '/DataRow/EventNumber',
      EventDesc varchar2(10) PATH '/DataRow/EventDesc'
) bBest regards,
Hrvoje.

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These links can be giving a clearer picture:
http://www.edankert.com/defaultnamespaces.html
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(   SELECT '
<html xmlns="http://www.w3.org/1999/xhtml">
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SELECT xmltype(xmldata).getnamespace() from mydata;
Post your Oracle version to see if it something related to your version. In mine I got this:
SQL*Plus: Release 11.2.0.1.0 Production on Thu Jun 20 18:32:58 2013
Copyright (c) 1982, 2010, Oracle. All rights reserved.
Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
SQL> WITH mydata AS
2 (   SELECT '
3 <html xmlns="http://www.w3.org/1999/xhtml">
4    <head>
5      <title>Example XHTML document</title>
6    </head>
7    <body>
8      <p>Sample content</p>
9    </body>
10 </html>' xmldata FROM DUAL
11 )
12 SELECT xmltype(xmldata).getnamespace() from mydata;
XMLTYPE(XMLDATA).GETNAMESPACE()
http://www.w3.org/1999/xhtml
SQL>
If this would work, then it would be enough to add the optional additional parameter namespace. In case it is null it will be set as xmlsn="" and it will work anyway:
Please note that it will work both if the XML has a default namespace or not
i.e.:
with default namespace:
SQL> DECLARE
2     xparam         XMLTYPE;
3     v_xpath        VARCHAR2 (500);
4     v_ns           VARCHAR2 (500);
5 BEGIN
6     xparam :=
7        xmltype ('
8 <html xmlns="http://www.w3.org/1999/xhtml" xmlns:ns="http://www.w3.org/1999/xhtml" >
9    <head>
10      <title>Example XHTML document</title>
11    </head>
12    <body>
13      <p>Sample content</p>
14    </body>
15 </html>');
16     v_xpath := '//title/text()';
17     v_ns := 'xmlns="' || xparam.getnamespace () || '"';
18     DBMS_OUTPUT.
19      put_line (
20        'Value of title:' || xparam.EXTRACT (v_xpath, v_ns).getstringval ());
21 END;
22 /
Value of title:Example XHTML document
PL/SQL procedure successfully completed.
SQL>
and without default namespace
SQL> DECLARE
2     xparam         XMLTYPE;
3     v_xpath        VARCHAR2 (500);
4     v_ns           VARCHAR2 (500);
5 BEGIN
6     xparam :=
7        xmltype ('
8 <html xmlns:ns="http://www.w3.org/1999/xhtml" >
9    <head>
10      <title>Example XHTML document</title>
11    </head>
12    <body>
13      <p>Sample content</p>
14    </body>
15 </html>');
16     v_xpath := '//title/text()';
17     v_ns := 'xmlns="' || xparam.getnamespace () || '"';
18     DBMS_OUTPUT.
19      put_line (
20        'Value of title:' || xparam.EXTRACT (v_xpath, v_ns).getstringval ());
21 END;
22 /
Value of title:Example XHTML document
PL/SQL procedure successfully completed.
Regards.
Al
Message was edited by: AlbertoFaenza
IF removed as it is working anyway.

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