Help: is there anything wrong in schema or select ? (clearer?)

Hello,
We are in 11gR1
In production, we daily load about 500 big XML files, with no problem.
All works fine, BUT, we have noticed we forget some data, and then, after many days of unsuccessful search, we are completely stuck because, we are not able to get this new data from the XMLs, probably because of the schema definition.
It seems there is a problem in one node "Curve"
Here is the schema, one "small" XML, and the queries (good or bad)
Let's start with the XML file:
A) XMLs as an example:
<?xml version="1.0"?>
<WORKBENCH_PROJECT xmlns="http://www.oracle.com/xsd/projet.xsd">
<BaseCalendars>
<Calendar
name="Standard" lastUpdatedDate="2001-07-10T09:04:08">
</Calendar>
<Calendar
name="Tunbase" lastUpdatedDate="2008-02-21T12:01:30" lastUpdatedBy="sacchaud">
<Days>
<Day start="2008-01-01" isWorkDay="false"/>
<Day start="2008-03-20" finish="2008-03-21" isWorkDay="false"/>
<Day start="2008-04-09" isWorkDay="false"/>
<Day start="2008-05-01" isWorkDay="false"/>
<Day start="2008-07-25" isWorkDay="false"/>
<Day start="2008-08-13" isWorkDay="false"/>
<Day start="2008-11-07" isWorkDay="false"/>
</Days>
</Calendar>
<Calendar
baseCalendar="CANADA" name="CANADA-QUEBEC" lastUpdatedDate="2009-01-08T06:40:15"
lastUpdatedBy="vandasin">
<Days>
<Day start="2007-06-25" isWorkDay="false"/>
<Day start="2007-12-24" isWorkDay="false"/>
<Day start="2008-06-23" finish="2008-06-24" isWorkDay="false"/>
<Day start="2009-01-01" isWorkDay="false"/>
<Day start="2009-04-10" isWorkDay="false"/>
<Day start="2009-05-18" isWorkDay="false"/>
<Day start="2009-06-24" isWorkDay="false"/>
<Day start="2009-07-01" isWorkDay="false"/>
<Day start="2009-08-03" isWorkDay="false"/>
<Day start="2009-09-07" isWorkDay="false"/>
<Day start="2009-10-12" isWorkDay="false"/>
<Day start="2009-12-25" isWorkDay="false"/>
<Day start="2009-12-28" isWorkDay="false"/>
</Days>
</Calendar>
<Calendar
baseCalendar="FRANCE" name="OS-BRI-GCS" lastUpdatedDate="2008-04-28T09:03:06" lastUpdatedBy="sacchaud">
<Days>
<Day start="2005-10-31" isWorkDay="false"/>
<Day start="2005-12-26" finish="2005-12-30" isWorkDay="false"/>
</Days>
</Calendar>
</BaseCalendars>
<PoolResources>
<PoolResource
resourceType="0" modBy="hshelke" userFlag2="false" userFlag1="false" fullName=".ABAB Developer"
isExternal="false" isActive="true" resourceId=".ABAB Developer" employmentType="1"
userNumber2="0.0" userNumber1="0.0" openForTimeEntry="false" lastName=".ABAB Developer"
isRole="true" trackMode="0">
<Calendar baseCalendar="Standard">
</Calendar>
<Curve name="availability" type="1" default="1.0"/>
</PoolResource>
<PoolResource
resourceType="0" modBy="jasubram" userFlag2="false" userFlag1="false" fullName=".ZZZ_Tester / Test Manager"
isExternal="false" isActive="false" resourceId="ZZZ_TESTER" employmentType="1" openForTimeEntry="false"
lastName=".ZZZ_Tester / Test Manager" isRole="true" trackMode="0">
<Calendar baseCalendar="Standard">
</Calendar>
<Curve name="availability" type="1" default="1.0"/>
</PoolResource>
<PoolResource
resourceType="0" inputTypeCode="0" modBy="AMENFO" userFlag2="false" userFlag1="false"
fullName="Caron, fabrice" firstName="fabrice" isExternal="false" isActive="true"
resourceId="fcaron" managerUserName="PIDUPUIS" employmentType="3" userNumber2="0.0"
userText3="Lille" userNumber1="0.0" userText2="GEFCO" userText1="I&amp;D" openForTimeEntry="true"
emailAddress="[email protected]" hireDate="2009-03-01T00:00:00" lastName="Caron"
isRole="false" trackMode="2">
<Calendar baseCalendar="Standard">
</Calendar>
<Curve name="availability" type="1" default="1.0"/>
</PoolResource>
<PoolResource
resourceType="0" inputTypeCode="0" modBy="AMENFO" userFlag2="false" userFlag1="false"
fullName="Declerck, Patrice" firstName="Patrice" isExternal="false" isActive="true"
resourceId="pdeclerc" managerUserName="PIDUPUIS" employmentType="3" userNumber2="0.0"
userNumber1="0.0" openForTimeEntry="true" emailAddress="[email protected]"
hireDate="2007-03-15T00:00:00" lastName="Declerck" isRole="false" trackMode="2">
<Calendar baseCalendar="FRANCE">
<Days>
<Day start="2008-03-21" isWorkDay="false"/>
<Day start="2008-03-28" isWorkDay="false"/>
<Day start="2008-05-02" isWorkDay="false"/>
<Day start="2008-05-05" isWorkDay="false"/>
<Day start="2008-07-07" finish="2008-07-11" isWorkDay="false"/>
<Day start="2008-07-15" finish="2008-07-18" isWorkDay="false"/>
<Day start="2008-07-21" finish="2008-07-25" isWorkDay="false"/>
</Days>
</Calendar>
<Curve name="availability" type="1" default="1.0"/>
</PoolResource>
<PoolResource
resourceType="0" inputTypeCode="0" modBy="AMENFO" userFlag2="false" userFlag1="false"
fullName="DUSAUSOY, Karine" firstName="Karine" isExternal="false" isActive="true"
resourceId="kdusauso" managerUserName="PIDUPUIS" employmentType="3" userNumber2="0.0"
userNumber1="0.0" userText1="TMA_JDE" openForTimeEntry="true" emailAddress="[email protected]"
hireDate="2007-03-15T00:00:00" lastName="DUSAUSOY" isRole="false" trackMode="2">
<Calendar baseCalendar="FRANCE">
<Days>
<Day start="2008-02-25" finish="2008-02-29" isWorkDay="true">
<Shifts>
<Shift start="08:00:00" finish="12:00:00"/>
<Shift start="13:00:00" finish="17:00:00"/>
</Shifts>
</Day>
<Day start="2008-03-03" isWorkDay="false"/>
<Day start="2008-03-10" finish="2008-03-14" isWorkDay="false"/>
<Day start="2008-03-17" isWorkDay="false"/>
<Day start="2008-05-05" finish="2008-05-07" isWorkDay="false"/>
<Day start="2008-05-09" isWorkDay="false"/>
</Days>
</Calendar>
<Curve name="availability" type="1" default="1.0"/>
</PoolResource>
<PoolResource
resourceType="0" inputTypeCode="0" modBy="AMENFO" userFlag2="false" userFlag1="false"
fullName="Ameziane, Rachid" firstName="Rachid" isExternal="false" isActive="true"
resourceId="ramezian" managerUserName="PIDUPUIS" employmentType="3" userNumber2="0.0"
userNumber1="0.0" openForTimeEntry="true" emailAddress="[email protected]"
hireDate="2007-03-15T00:00:00" lastName="Ameziane" isRole="false" trackMode="2">
<Calendar baseCalendar="FRANCE">
<Days>
<Day start="2008-06-23" finish="2008-06-27" isWorkDay="false"/>
</Days>
</Calendar>
<Curve name="availability" type="1" default="1.0"/>
</PoolResource>
<PoolResource
resourceType="0" inputTypeCode="0" modBy="suagrawa" userFlag2="false" userFlag1="false"
fullName="Ganguly, Debalina" firstName="Debalina" isExternal="false" isActive="false"
resourceId="DGANGULY" managerUserName="jvereeck" employmentType="3" userText4="11892"
openForTimeEntry="true" emailAddress="[email protected]" lastName="Ganguly"
isRole="false" trackMode="2">
<Calendar baseCalendar="IN-Mumbai">
<Days>
<Day start="2009-01-23" isWorkDay="true">
<Shifts>
<Shift start="08:00:00" finish="12:00:00"/>
<Shift start="13:00:00" finish="17:00:00"/>
</Shifts>
</Day>
<Day start="2009-01-27" isWorkDay="true">
<Shifts>
<Shift start="08:00:00" finish="12:00:00"/>
<Shift start="13:00:00" finish="17:00:00"/>
</Shifts>
</Day>
<Day start="2009-02-20" isWorkDay="true">
<Shifts>
<Shift start="08:00:00" finish="12:00:00"/>
<Shift start="13:00:00" finish="17:00:00"/>
</Shifts>
</Day>
<Day start="2009-02-27" isWorkDay="true">
<Shifts>
<Shift start="08:00:00" finish="12:00:00"/>
<Shift start="13:00:00" finish="17:00:00"/>
</Shifts>
</Day>
<Day start="2009-03-09" finish="2009-03-10" isWorkDay="false"/>
<Day start="2009-04-04" finish="2009-04-05" isWorkDay="true">
<Shifts>
<Shift start="08:00:00" finish="12:00:00"/>
<Shift start="13:00:00" finish="17:00:00"/>
</Shifts>
</Day>
<Day start="2009-04-09" isWorkDay="true">
<Shifts>
<Shift start="08:00:00" finish="12:00:00"/>
<Shift start="13:00:00" finish="17:00:00"/>
</Shifts>
</Day>
<Day start="2009-04-13" isWorkDay="true">
<Shifts>
<Shift start="08:00:00" finish="12:00:00"/>
<Shift start="13:00:00" finish="17:00:00"/>
</Shifts>
</Day>
<Day start="2009-05-07" finish="2009-05-08" isWorkDay="true">
<Shifts>
<Shift start="08:00:00" finish="12:00:00"/>
<Shift start="13:00:00" finish="17:00:00"/>
</Shifts>
</Day>
<Day start="2009-06-02" finish="2009-06-05" isWorkDay="false"/>
<Day start="2009-06-08" finish="2009-06-12" isWorkDay="false"/>
</Days>
</Calendar>
<Curve name="availability" type="1" default="1.0"/>
</PoolResource>
<PoolResource
resourceType="0" inputTypeCode="0" modBy="AMENFO" userFlag2="false" userFlag1="false"
fullName="MORIEUX, Valérie" firstName="Valérie" isExternal="false" isActive="true"
resourceId="vmorieux" managerUserName="PIDUPUIS" employmentType="3" userNumber2="0.0"
userNumber1="0.0" userText1="TMA_JDE" openForTimeEntry="true" emailAddress="[email protected]"
hireDate="2008-01-01T00:00:00" lastName="MORIEUX" isRole="false" trackMode="2">
<Calendar baseCalendar="FRANCE">
<Days>
<Day dayOfWeek="WED" isWorkDay="false"/>
<Day start="2008-02-21" finish="2008-02-22" isWorkDay="false"/>
<Day start="2008-03-21" isWorkDay="false"/>
<Day start="2008-04-14" finish="2008-04-15" isWorkDay="false"/>
<Day start="2008-04-17" finish="2008-04-18" isWorkDay="false"/>
<Day start="2008-05-09" isWorkDay="false"/>
<Day start="2008-05-13" isWorkDay="false"/>
<Day start="2008-07-29" isWorkDay="false"/>
<Day start="2008-07-31" finish="2008-08-01" isWorkDay="false"/>
<Day start="2008-08-04" finish="2008-08-05" isWorkDay="false"/>
<Day start="2008-08-07" finish="2008-08-08" isWorkDay="false"/>
<Day start="2008-08-11" finish="2008-08-12" isWorkDay="false"/>
<Day start="2008-08-14" isWorkDay="false"/>
</Days>
</Calendar>
<Curve name="availability" type="1" default="1.0"/>
</PoolResource>
<PoolResource
resourceType="0" inputTypeCode="0" modBy="AMENFO" userFlag2="false" userFlag1="false"
fullName="HUYGHE, Antoine" roleID="Application Consultant Fin (ext)" firstName="Antoine"
isExternal="false" isActive="true" resourceId="ahuyghe" managerUserName="PIDUPUIS"
employmentType="3" userNumber2="0.0" userNumber1="0.0" openForTimeEntry="true" emailAddress="[email protected]"
hireDate="2008-01-01T00:00:00" lastName="HUYGHE" isRole="false" trackMode="2">
<Calendar baseCalendar="FRANCE">
<Days>
<Day start="2008-03-25" finish="2008-03-28" isWorkDay="false"/>
</Days>
</Calendar>
<Curve name="availability" type="1" default="1.0"/>
</PoolResource>
</PoolResources>
<Projects>
<Project
UID="AJ2GTD`/A_```=X8&lt;O&quot;0!```?P```0" closed="false" active="true" approved="true"
start="2007-11-12T08:00:00" openForTimeEntry="true" format="0" trackMode="2" lastUpdatedDate="2008-02-06T17:33:23"
description="TMA Hédiard" finish="2009-10-01T17:00:00" priority="10" finishImposed="false"
cpmType="0" name="ID-Nord-CdS-Hédiard" startImposed="false" program="false" lastUpdatedBy="deemishr">
<Resources>
<Resource
requestStatus="1" lastUpdatedBy="jvereeck" resourceID="vmorieux" openForTimeEntry="true"
lastUpdatedDate="2008-02-06T11:30:07" bookingStatus="15">
<Curve name="allocation" type="1" default="1.0"/>
<Curve name="rate" type="1" default="1.0">
<Segments>
<Segment start="1900-01-01T00:00:00" finish="2008-01-04T00:00:00" rate="0.0">
</Segment>
<Segment start="2008-01-04T00:00:00" finish="2016-01-01T00:00:00" rate="0.0">
</Segment>
<Segment start="2016-01-01T00:00:00" finish="2079-06-03T00:00:00" rate="0.0">
</Segment>
</Segments>
</Curve>
</Resource>
<Resource
requestStatus="1" lastUpdatedBy="jvereeck" resourceID="liroche" openForTimeEntry="true"
lastUpdatedDate="2008-02-06T11:30:08" bookingStatus="15">
<Curve name="allocation" type="1" default="1.0"/>
<Curve name="rate" type="1" default="1.0">
<Segments>
<Segment start="1900-01-01T00:00:00" finish="2008-01-04T00:00:00" rate="0.0">
</Segment>
<Segment start="2008-01-04T00:00:00" finish="2016-01-01T00:00:00" rate="0.0">
</Segment>
<Segment start="2016-01-01T00:00:00" finish="2079-06-03T00:00:00" rate="0.0">
</Segment>
</Segments>
</Curve>
</Resource>
</Resources>
<Tasks>
<Task
UID="AJQ+V=`?=_```=X8&lt;O&quot;0!```?P```0" earlyStart="2008-01-21T08:00:00" lateStart="2009-06-03T08:00:00"
start="2008-01-21T08:00:00" proxy="false" earlyFinish="2008-01-21T17:00:00" lateFinish="2009-06-03T17:00:00"
critical="false" status="0" lastUpdatedDate="2008-01-25T15:11:19" outlineLevel="1"
finish="2008-01-21T17:00:00" summary="false" milestone="false" name="XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
fixed="false" locked="false" key="false" lastUpdatedBy="jvereeck" percComp="0.0"
totalSlack="357.0" unplanned="false"/>
<Task
UID="AJ#)X5`?9_```=X8&lt;O&quot;0!```?P```0" start="2008-01-17T08:00:00" proxy="true" critical="false"
status="0" lastUpdatedDate="2008-02-08T12:13:58" outlineLevel="1" finish="2009-10-01T17:00:00"
summary="false" milestone="false" name="6651298" fixed="false" locked="false" key="false"
lastUpdatedBy="5159185" percComp="0.0" unplanned="false"/>
<Task
UID="AJID#I`?%_```=X8&lt;O&quot;0!```?P```0" start="2008-01-04T08:00:00" proxy="false" critical="false"
status="1" lastUpdatedDate="2008-02-06T17:33:23" outlineLevel="2" finish="2008-12-30T17:00:00"
summary="true" milestone="false" name="Support" fixed="false" locked="false" key="false"
lastUpdatedBy="deemishr" percComp="0.0" unplanned="false"/>
<Task
UID="AJ&gt;X.3`/!_```=X8&lt;O&quot;0!```?P```0" earlyStart="2008-01-17T08:00:00" lateStart="2008-06-24T08:00:00"
start="2008-01-04T08:00:00" proxy="false" earlyFinish="2008-12-26T17:00:00" lateFinish="2009-06-03T17:00:00"
critical="false" status="1" lastUpdatedDate="2008-02-06T17:33:23" outlineLevel="3"
finish="2008-12-30T17:00:00" summary="false" milestone="false" name="suivi des EARS HEDIARD"
fixed="true" locked="false" key="false" lastUpdatedBy="deemishr" percComp="0.0" totalSlack="102.0"
unplanned="false">
<Assignments>
<Assignment
status="1" lastUpdatedBy="deemishr" actualWork="25200.0" resourceID="jvereeck" start="2008-01-04T08:00:00"
unplanned="false" estPattern="3" actualThrough="2008-02-25T00:00:00" pendActSum="0.0"
finish="2008-06-12T17:00:00" remainingWork="2048400.0" lastUpdatedDate="2008-03-04T16:33:48"
estMax="1.0">
<Curve name="actuals" type="2" default="0.0">
<Segment start="2008-02-08T00:00:00" finish="2008-02-09T00:00:00" rate="0.25">
<Calendar>
<Days>
<Day dayOfWeek="SUN" isWorkDay="false"/>
<Day dayOfWeek="MON" isWorkDay="true">
<Shifts>
<Shift start="08:00:00" finish="12:00:00"/>
<Shift start="13:00:00" finish="17:00:00"/>
</Shifts>
</Day>
<Day dayOfWeek="TUE" isWorkDay="true">
<Shifts>
<Shift start="08:00:00" finish="12:00:00"/>
<Shift start="13:00:00" finish="17:00:00"/>
</Shifts>
</Day>
<Day dayOfWeek="WED" isWorkDay="true">
<Shifts>
<Shift start="08:00:00" finish="12:00:00"/>
<Shift start="13:00:00" finish="17:00:00"/>
</Shifts>
</Day>
<Day dayOfWeek="THU" isWorkDay="true">
<Shifts>
<Shift start="08:00:00" finish="12:00:00"/>
<Shift start="13:00:00" finish="17:00:00"/>
</Shifts>
</Day>
<Day dayOfWeek="FRI" isWorkDay="true">
<Shifts>
<Shift start="08:00:00" finish="12:00:00"/>
<Shift start="13:00:00" finish="17:00:00"/>
</Shifts>
</Day>
<Day dayOfWeek="SAT" isWorkDay="false"/>
</Days>
</Calendar>
</Segment>
</Segments>
</Curve>
<Curve name="estimates" type="2" default="0.0">
<Segments>
<Segment start="2008-02-25T00:00:00" finish="2008-06-12T17:00:00" rate="0.9358552631578947">
<Calendar>
<Days>
<Day dayOfWeek="SUN" isWorkDay="false"/>
<Day dayOfWeek="MON" isWorkDay="true">
<Shifts>
<Shift start="08:00:00" finish="12:00:00"/>
<Shift start="13:00:00" finish="17:00:00"/>
</Shifts>
</Day>
<Day dayOfWeek="TUE" isWorkDay="true">
<Shifts>
<Shift start="08:00:00" finish="12:00:00"/>
<Shift start="13:00:00" finish="17:00:00"/>
</Shifts>
</Day>
<Day dayOfWeek="WED" isWorkDay="true">
<Shifts>
<Shift start="08:00:00" finish="12:00:00"/>
<Shift start="13:00:00" finish="17:00:00"/>
</Shifts>
</Day>
<Day dayOfWeek="THU" isWorkDay="true">
<Shifts>
<Shift start="08:00:00" finish="12:00:00"/>
<Shift start="13:00:00" finish="17:00:00"/>
</Shifts>
</Day>
<Day dayOfWeek="FRI" isWorkDay="true">
<Shifts>
<Shift start="08:00:00" finish="12:00:00"/>
<Shift start="13:00:00" finish="17:00:00"/>
</Shifts>
</Day>
<Day dayOfWeek="SAT" isWorkDay="false"/>
<Day start="2008-03-24" isWorkDay="false"/>
<Day start="2008-05-01" isWorkDay="false"/>
<Day start="2008-05-08" isWorkDay="false"/>
</Days>
</Calendar>
</Segment>
</Segments>
</Curve>
</Assignment>
<Assignment
status="1" lastUpdatedBy="deemishr" actualWork="482400.0" resourceID="liroche" start="2008-01-24T08:00:00"
unplanned="false" estPattern="3" actualThrough="2008-03-01T00:00:00" pendActSum="28800.0"
finish="2008-09-04T17:00:00" remainingWork="2916000.0" lastUpdatedDate="2008-03-04T17:33:36"
estMax="1.0">
<Curve name="actuals" type="2" default="0.0">
<Segments>
<Segment start="2008-01-24T00:00:00" finish="2008-01-25T00:00:00" rate="1.0">
<Calendar>
<Days>
<Day dayOfWeek="SUN" isWorkDay="false"/>
<Day dayOfWeek="MON" isWorkDay="true">
<Shifts>
<Shift start="08:00:00" finish="12:00:00"/>
<Shift start="13:00:00" finish="17:00:00"/>
</Shifts>
</Day>
<Day dayOfWeek="TUE" isWorkDay="true">
<Shifts>
<Shift start="08:00:00" finish="12:00:00"/>
<Shift start="13:00:00" finish="17:00:00"/>
</Shifts>
</Day>
<Day dayOfWeek="WED" isWorkDay="true">
<Shifts>
<Shift start="08:00:00" finish="12:00:00"/>
<Shift start="13:00:00" finish="17:00:00"/>
</Shifts>
</Day>
<Day dayOfWeek="THU" isWorkDay="true">
<Shifts>
<Shift start="08:00:00" finish="12:00:00"/>
<Shift start="13:00:00" finish="17:00:00"/>
</Shifts>
</Day>
<Day dayOfWeek="FRI" isWorkDay="true">
<Shifts>
<Shift start="08:00:00" finish="12:00:00"/>
<Shift start="13:00:00" finish="17:00:00"/>
</Shifts>
</Day>
<Day dayOfWeek="SAT" isWorkDay="false"/>
</Days>
</Calendar>
</Segment>
<Segment start="2008-02-28T00:00:00" finish="2008-02-29T00:00:00" rate="1.0">
<Calendar>
<Days>
<Day dayOfWeek="SUN" isWorkDay="false"/>
<Day dayOfWeek="MON" isWorkDay="true">
<Shifts>
<Shift start="08:00:00" finish="12:00:00"/>
<Shift start="13:00:00" finish="17:00:00"/>
</Shifts>
</Day>
<Day dayOfWeek="TUE" isWorkDay="true">
<Shifts>
<Shift start="08:00:00" finish="12:00:00"/>
<Shift start="13:00:00" finish="17:00:00"/>
</Shifts>
</Day>
<Day dayOfWeek="WED" isWorkDay="true">
<Shifts>
<Shift start="08:00:00" finish="12:00:00"/>
<Shift start="13:00:00" finish="17:00:00"/>
</Shifts>
</Day>
<Day dayOfWeek="THU" isWorkDay="true">
<Shifts>
<Shift start="08:00:00" finish="12:00:00"/>
<Shift start="13:00:00" finish="17:00:00"/>
</Shifts>
</Day>
<Day dayOfWeek="FRI" isWorkDay="true">
<Shifts>
<Shift start="08:00:00" finish="12:00:00"/>
<Shift start="13:00:00" finish="17:00:00"/>
</Shifts>
</Day>
<Day dayOfWeek="SAT" isWorkDay="false"/>
</Days>
</Calendar>
</Segment>
</Segments>
</Curve>
<Curve name="estimates" type="2" default="0.0">
<Segments>
<Segment start="2008-03-01T00:00:00" finish="2008-09-04T17:00:00" rate="0.8165322580645161">
<Calendar>
<Days>
<Day dayOfWeek="SUN" isWorkDay="false"/>
<Day dayOfWeek="MON" isWorkDay="true">
<Shifts>
<Shift start="08:00:00" finish="12:00:00"/>
<Shift start="13:00:00" finish="17:00:00"/>
</Shifts>
</Day>
<Day dayOfWeek="TUE" isWorkDay="true">
<Shifts>
<Shift start="08:00:00" finish="12:00:00"/>
<Shift start="13:00:00" finish="17:00:00"/>
</Shifts>
</Day>
<Day dayOfWeek="WED" isWorkDay="true">
<Shifts>
<Shift start="08:00:00" finish="12:00:00"/>
<Shift start="13:00:00" finish="17:00:00"/>
</Shifts>
</Day>
<Day dayOfWeek="THU" isWorkDay="true">
<Shifts>
<Shift start="08:00:00" finish="12:00:00"/>
<Shift start="13:00:00" finish="17:00:00"/>
</Shifts>
</Day>
<Day dayOfWeek="FRI" isWorkDay="true">
<Shifts>
<Shift start="08:00:00" finish="12:00:00"/>
<Shift start="13:00:00" finish="17:00:00"/>
</Shifts>
</Day>
<Day dayOfWeek="SAT" isWorkDay="false"/>
<Day start="2008-03-24" isWorkDay="false"/>
<Day start="2008-03-28" isWorkDay="false"/>
<Day start="2008-04-01" isWorkDay="false"/>
<Day start="2008-04-02" isWorkDay="false"/>
<Day start="2008-04-03" isWorkDay="false"/>
<Day start="2008-04-04" isWorkDay="false"/>
<Day start="2008-05-01" isWorkDay="false"/>
<Day start="2008-05-08" isWorkDay="false"/>
<Day start="2008-07-14" isWorkDay="false"/>
<Day start="2008-08-15" isWorkDay="false"/>
</Days>
</Calendar>
</Segment>
</Segments>
</Curve>
</Assignment>
</Assignments>
</Task>
<Task
UID="AJ?2:=`.]_```=X8&lt;O&quot;0!```?P```0" start="2008-01-21T17:00:00" proxy="false" critical="false"
status="0" lastUpdatedDate="2009-09-29T17:34:49" outlineLevel="1" finish="2009-09-28T17:00:00"
summary="true" milestone="false" name="Modification BL" fixed="false" locked="false"
key="false" lastUpdatedBy="harensin" percComp="0.0" unplanned="false"/>
<Task
UID="AJ,&gt;9)`&gt;Y_```=X8&lt;O&quot;0!```?P```0" start="2008-01-21T17:00:00" proxy="false" critical="false"
status="0" lastUpdatedDate="2009-09-29T17:34:49" outlineLevel="2" finish="2009-09-28T17:00:00"
summary="true" milestone="false" name="Etude" fixed="false" locked="false" key="false"
lastUpdatedBy="harensin" percComp="0.0" unplanned="false"/>
<Task
UID="AJ&gt;KVG`.U_```=X8&lt;O&quot;0!```?P```0" earlyStart="2008-01-17T08:00:00" lateStart="2009-05-12T08:00:00"
start="2009-09-28T08:00:00" proxy="false" earlyFinish="2008-01-17T17:00:00" lateFinish="2009-05-12T17:00:00"
critical="false" status="0" lastUpdatedDate="2009-09-29T17:34:49" outlineLevel="3"
finish="2009-09-28T17:00:00" summary="false" milestone="false" name="devis BL" fixed="false"
locked="false" key="false" lastUpdatedBy="harensin" percComp="0.0" totalSlack="343.0"
unplanned="false">
<Assignments>
<Assignment
status="0" lastUpdatedBy="harensin" actualWork="0.0" resourceID="ramezian" start="2009-09-28T08:00:00"
unplanned="false" estPattern="3" actualThrough="2009-09-28T00:00:00" pendActSum="0.0"
finish="2009-09-28T17:00:00" remainingWork="7200.0" lastUpdatedDate="2009-09-29T17:34:49"
estMax="1.0">
<Curve name="estimates" type="2" default="0.0">
<Segments>
<Segment start="2009-09-28T00:00:00" finish="2009-09-28T17:00:00" rate="0.25">
<Calendar>
<Days>
<Day dayOfWeek="SUN" isWorkDay="false"/>
<Day dayOfWeek="MON" isWorkDay="true">
<Shifts>
<Shift start="08:00:00" finish="12:00:00"/>
<Shift start="13:00:00" finish="17:00:00"/>
</Shifts>
</Day>
<Day dayOfWeek="TUE" isWorkDay="true">
<Shifts>
<Shift start="08:00:00" finish="12:00:00"/>
<Shift start="13:00:00" finish="17:00:00"/>
</Shifts>
</Day>
<Day dayOfWeek="WED" isWorkDay="true">
<Shifts>
<Shift start="08:00:00" finish="12:00:00"/>
<Shift start="13:00:00" finish="17:00:00"/>
</Shifts>
</Day>
<Day dayOfWeek="THU" isWorkDay="true">
<Shifts>
<Shift start="08:00:00" finish="12:00:00"/>
<Shift start="13:00:00" finish="17:00:00"/>
</Shifts>
</Day>
<Day dayOfWeek="FRI" isWorkDay="true">
<Shifts>
<Shift start="08:00:00" finish="12:00:00"/>
<Shift start="13:00:00" finish="17:00:00"/>
</Shifts>
</Day>
<Day dayOfWeek="SAT" isWorkDay="false"/>
</Days>
</Calendar>
</Segment>
</Segments>
</Curve>
</Assignment>
</Assignments>
</Task>
<Task
UID="AJ&lt;*F(`.Q_```=X8&lt;O&quot;0!```?P```0" earlyStart="2008-01-17T17:00:00" lateStart="2009-05-13T08:00:00"
start="2008-01-21T17:00:00" proxy="false" earlyFinish="2008-01-17T17:00:00" lateFinish="2009-05-13T08:00:00"
critical="false" status="0" lastUpdatedDate="2008-02-01T12:20:34" outlineLevel="3"
finish="2008-01-21T17:00:00" summary="false" milestone="true" name="Valisation devis BL"
fixed="true" locked="false" key="false" lastUpdatedBy="jvereeck" percComp="0.0" totalSlack="343.0"
unplanned="false"/>
<Task
UID="AJL@8L`.M_```=X8&lt;O&quot;0!```?P```0" start="2008-02-12T17:00:00" proxy="false" critical="false"
status="0" lastUpdatedDate="2009-09-29T17:34:49" outlineLevel="2" finish="2009-09-28T17:00:00"
summary="true" milestone="false" name="Réalisation" fixed="false" locked="false"
key="false" lastUpdatedBy="harensin" percComp="0.0" unplanned="false"/>
<Task
UID="AJ/+EK`.I_```=X8&lt;O&quot;0!```?P```0" earlyStart="2008-01-18T08:00:00" lateStart="2009-05-13T08:00:00"
start="2009-09-28T08:00:00" proxy="false" earlyFinish="2008-02-06T17:00:00" lateFinish="2009-06-01T17:00:00"
critical="false" status="0" lastUpdatedDate="2009-09-29T17:34:49" outlineLevel="3"
finish="2009-09-28T17:00:00" summary="false" milestone="false" name="dev BL" fixed="false"
locked="false" key="false" lastUpdatedBy="harensin" percComp="0.0" totalSlack="356.0"
unplanned="false">
<Assignments>
<Assignment
status="0" lastUpdatedBy="harensin" actualWork="0.0" resourceID="ramezian" start="2009-09-28T08:00:00"
unplanned="false" estPattern="3" actualThrough="2009-09-28T00:00:00" pendActSum="0.0"
finish="2009-09-28T17:00:00" remainingWork="43200.0" lastUpdatedDate="2009-09-29T17:34:49"
estMax="1.0">
<Curve name="estimates" type="2" default="0.0">
<Segments>
<Segment start="2009-09-28T00:00:00" finish="2009-09-28T17:00:00" rate="1.5">
<Calendar>
<Days>
<Day dayOfWeek="SUN" isWorkDay="false"/>
<Day dayOfWeek="MON" isWorkDay="true">
<Shifts>
<Shift start="08:00:00" finish="12:00:00"/>
<Shift start="13:00:00" finish="17:00:00"/>
</Shifts>
</Day>
<Day dayOfWeek="TUE" isWorkDay="true">
<Shifts>
<Shift start="08:00:00" finish="12:00:00"/>
<Shift start="13:00:00" finish="17:00:00"/>
</Shifts>
</Day>
<Day dayOfWeek="WED" isWorkDay="true">
<Shifts>
<Shift start="08:00:00" finish="12:00:00"/>
<Shift start="13:00:00" finish="17:00:00"/>
</Shifts>
</Day>
<Day dayOfWeek="THU" isWorkDay="true">
<Shifts>
<Shift start="08:00:00" finish="12:00:00"/>
<Shift start="13:00:00" finish="17:00:00"/>
</Shifts>
</Day>
<Day dayOfWeek="FRI" isWorkDay="true">
<Shifts>
<Shift start="08:00:00" finish="12:00:00"/>
<Shift start="13:00:00" finish="17:00:00"/>
</Shifts>
</Day>
<Day dayOfWeek="SAT" isWorkDay="false"/>
</Days>
</Calendar>
</Segment>
</Segments>
</Curve>
</Assignment>
</Assignments>
</Task>
<Task
UID="AJ[E!.`.E_```=X8&lt;O&quot;0!```?P```0" earlyStart="2008-02-07T08:00:00" lateStart="2009-06-02T08:00:00"
start="2009-09-28T08:00:00" proxy="false" earlyFinish="2008-02-08T17:00:00" lateFinish="2009-06-03T17:00:00"
critical="false" status="0" lastUpdatedDate="2009-09-29T17:34:49" outlineLevel="3"
finish="2009-09-28T17:00:00" summary="false" milestone="false" name="Recette BL"
fixed="false" locked="false" key="false" lastUpdatedBy="harensin" percComp="0.0"
totalSlack="344.0" unplanned="false">
<Assignments>
<Assignment
status="0" lastUpdatedBy="harensin" actualWork="0.0" resourceID="ramezian" start="2009-09-28T08:00:00"
unplanned="false" estPattern="3" actualThrough="2009-09-28T00:00:00" pendActSum="0.0"
finish="2009-09-28T17:00:00" remainingWork="14400.0" lastUpdatedDate="2009-09-29T17:34:49"
estMax="1.0">
<Curve name="estimates" type="2" default="0.0">
<Segments>
<Segment start="2009-09-28T00:00:00" finish="2009-09-28T17:00:00" rate="0.5">
<Calendar>
<Days>
<Day dayOfWeek="SUN" isWorkDay="false"/>
<Day dayOfWeek="MON" isWorkDay="true">
<Shifts>
<Shift start="08:00:00" finish="12:00:00"/>
<Shift start="13:00:00" finish="17:00:00"/>
</Shifts>
</Day>
<Day dayOfWeek="TUE" isWorkDay="true">
<Shifts>
<Shift start="08:00:00" finish="12:00:00"/>
<Shift start="13:00:00" finish="17:00:00"/>
</Shifts>
</Day>
<Day dayOfWeek="WED" isWorkDay="true">
<Shifts>
<Shift start="08:00:00" finish="12:00:00"/>
<Shift start="13:00:00" finish="17:00:00"/>
</Shifts>
</Day>
<Day dayOfWeek="THU" isWorkDay="true">
<Shifts>
<Shift start="08:00:00" finish="12:00:00"/>
<Shift start="13:00:00" finish="17:00:00"/>
</Shifts>
</Day>
<Day dayOfWeek="FRI" isWorkDay="true">
<Shifts>
<Shift start="08:00:00" finish="12:00:00"/>
<Shift start="13:00:00" finish="17:00:00"/>
</Shifts>
</Day>
<Day dayOfWeek="SAT" isWorkDay="false"/>
</Days>
</Calendar>
</Segment>
</Segments>
</Curve>
</Assignment>
</Assignments>
</Task>
<Task
UID="AJ&apos;%6C`&gt;A_```=X8&lt;O&quot;0!```?P```0" earlyStart="2008-02-08T17:00:00" lateStart="2009-06-03T17:00:00"
start="2008-02-12T17:00:00" proxy="false" earlyFinish="2008-02-08T17:00:00" lateFinish="2009-06-03T17:00:00"
critical="false" status="0" lastUpdatedDate="2008-02-01T12:20:34" outlineLevel="3"
finish="2008-02-12T17:00:00" summary="false" milestone="true" name="Livraison" fixed="true"
locked="false" key="false" lastUpdatedBy="jvereeck" percComp="0.0" totalSlack="343.0"
unplanned="false"/>
</Tasks>
<Dependencies>
<Dependency
lastUpdatedBy="jvereeck" startFinishType="0" successorUID="AJ/+EK`.I_```=X8&lt;O&quot;0!```?P```0"
predecessorUID="AJ&lt;*F(`.Q_```=X8&lt;O&quot;0!```?P```0" lag="0.0" lagType="0" lastUpdatedDate="2008-01-22T11:13:44"/>
<Dependency
lastUpdatedBy="jvereeck" startFinishType="0" successorUID="AJ[E!.`.E_```=X8&lt;O&quot;0!```?P```0"
predecessorUID="AJ/+EK`.I_```=X8&lt;O&quot;0!```?P```0" lag="0.0" lagType="0" lastUpdatedDate="2008-01-22T11:13:44"/>
<Dependency
lastUpdatedBy="jvereeck" startFinishType="0" successorUID="AJ&apos;%6C`&gt;A_```=X8&lt;O&quot;0!```?P```0"
predecessorUID="AJ[E!.`.E_```=X8&lt;O&quot;0!```?P```0" lag="0.0" lagType="0" lastUpdatedDate="2008-01-22T11:13:44"/>
<Dependency
lastUpdatedBy="jvereeck" startFinishType="0" successorUID="AJ&lt;*F(`.Q_```=X8&lt;O&quot;0!```?P```0"
predecessorUID="AJ&gt;KVG`.U_```=X8&lt;O&quot;0!```?P```0" lag="0.0" lagType="0" lastUpdatedDate="2008-01-22T11:13:44"/>
</Dependencies>
</Project>
</Projects>
</WORKBENCH_PROJECT>the explanation will follow ....
Edited by: [email protected] on Jan 13, 2010 2:32 PM

B) Here is the schema, where I think something is wrongly defined :
<?xml version="1.0" encoding="UTF-8"?>
<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"
         xmlns:xdb="http://xmlns.oracle.com/xdb"
         xmlns="http://www.oracle.com/xsd/projet.xsd"
         targetNamespace="http://www.oracle.com/xsd/projet.xsd"
         elementFormDefault="unqualified"
         xdb:storeVarrayAsTable="true">
  <xsd:element name="WORKBENCH_PROJECT" xdb:defaultTable="WORKBENCH_PROJECT_TABLE">
    <xsd:complexType xdb:maintainDOM="false">
      <xsd:sequence>
        <xsd:element ref="BaseCalendars"/>
        <xsd:element ref="PoolResources"/>
        <xsd:element ref="Projects"/>
      </xsd:sequence>
    </xsd:complexType>
  </xsd:element>
  <xsd:element name="BaseCalendars" xdb:defaultTable="">
    <xsd:complexType xdb:maintainDOM="false">
      <xsd:sequence>
        <xsd:element ref="Calendar" maxOccurs="unbounded"/>
      </xsd:sequence>
    </xsd:complexType>
  </xsd:element>
  <xsd:element name="PoolResources" xdb:defaultTable="">
    <xsd:complexType xdb:maintainDOM="false">
      <xsd:sequence>
        <xsd:element ref="PoolResource" maxOccurs="unbounded"/>
      </xsd:sequence>
    </xsd:complexType>
  </xsd:element>
  <xsd:element name="PoolResource" xdb:defaultTable="">
    <xsd:complexType xdb:maintainDOM="false">
      <xsd:sequence>
        <xsd:element ref="Calendar"/>
        <xsd:element ref="Curve"/>
      </xsd:sequence>
      <xsd:attribute name="category" type="xsd:string"/>
      <xsd:attribute name="emailAddress" type="xsd:string"/>
      <xsd:attribute name="employmentType" type="xsd:integer"/>
      <xsd:attribute name="description" type="xsd:string"/>
      <xsd:attribute name="firstName" type="xsd:string"/>
      <xsd:attribute name="fullName" type="xsd:string"/>
      <xsd:attribute name="hireDate" type="xsd:NMTOKEN"/>
      <xsd:attribute name="inputTypeCode" type="xsd:integer"/>
      <xsd:attribute name="isActive" type="xsd:boolean"/>
      <xsd:attribute name="isExternal" type="xsd:boolean"/>
      <xsd:attribute name="isRole" type="xsd:boolean"/>
      <xsd:attribute name="lastName" type="xsd:string"/>
      <xsd:attribute name="managerUserName" type="xsd:string"/>
      <xsd:attribute name="modBy" type="xsd:string"/>
      <xsd:attribute name="openForTimeEntry" type="xsd:boolean"/>
      <xsd:attribute name="resourceId" type="xsd:string"/>
      <xsd:attribute name="resourceType" type="xsd:integer"/>
      <xsd:attribute name="roleID" type="xsd:string"/>
      <xsd:attribute name="terminationDate" type="xsd:NMTOKEN"/>
      <xsd:attribute name="trackMode" type="xsd:integer"/>
      <xsd:attribute name="userFlag1" type="xsd:boolean"/>
      <xsd:attribute name="userFlag2" type="xsd:boolean"/>
      <xsd:attribute name="userNumber1" type="xsd:decimal"/>
      <xsd:attribute name="userNumber2" type="xsd:decimal"/>
      <xsd:attribute name="userText1" type="xsd:string"/>
      <xsd:attribute name="userText2" type="xsd:string"/>
      <xsd:attribute name="userText3" type="xsd:string"/>
      <xsd:attribute name="userText4" type="xsd:string"/>
      <xsd:attribute name="userText5" type="xsd:string"/>
      <xsd:attribute name="userText6" type="xsd:string"/>
      <xsd:attribute name="userText7" type="xsd:string"/>
      <xsd:attribute name="userText8" type="xsd:string"/>
    </xsd:complexType>
  </xsd:element>
  <xsd:element name="Projects" xdb:defaultTable="">
    <xsd:complexType xdb:maintainDOM="false">
      <xsd:sequence>
        <xsd:element ref="Project" maxOccurs="unbounded"/>
      </xsd:sequence>
    </xsd:complexType>
  </xsd:element>
  <xsd:element name="Project" xdb:defaultTable="">
    <xsd:complexType xdb:maintainDOM="false">
      <xsd:sequence>
        <xsd:element ref="Baselines" minOccurs="0"/>
        <xsd:element ref="Notes" minOccurs="0"/>
        <xsd:element ref="Resources" minOccurs="0"/>
        <xsd:element ref="Tasks" minOccurs="0"/>
        <xsd:element ref="BaselineDetails" minOccurs="0"/>
        <xsd:element ref="Dependencies" minOccurs="0"/>
      </xsd:sequence>
      <xsd:attribute name="UID"/>
      <xsd:attribute name="active" type="xsd:boolean"/>
      <xsd:attribute name="asOf" type="xsd:NMTOKEN"/>
      <xsd:attribute name="approved" type="xsd:boolean"/>
      <xsd:attribute name="baseFinish" type="xsd:NMTOKEN"/>
      <xsd:attribute name="baseStart" type="xsd:NMTOKEN"/>
      <xsd:attribute name="baseTime" type="xsd:NMTOKEN"/>
      <xsd:attribute name="budget" type="xsd:double"/>
      <xsd:attribute name="closed" type="xsd:boolean"/>
      <xsd:attribute name="cpmType" type="xsd:integer"/>
      <xsd:attribute name="department" type="xsd:string"/>
      <xsd:attribute name="description" type="xsd:string"/>
      <xsd:attribute name="finish" type="xsd:NMTOKEN"/>
      <xsd:attribute name="finishImposed" type="xsd:boolean"/>
      <xsd:attribute name="format" type="xsd:integer"/>
      <xsd:attribute name="lastUpdatedBy" type="xsd:string"/>
      <xsd:attribute name="lastUpdatedDate" type="xsd:NMTOKEN"/>
      <xsd:attribute name="name" type="xsd:string"/>
      <xsd:attribute name="openForTimeEntry" type="xsd:boolean"/>
      <xsd:attribute name="priority" type="xsd:integer"/>
      <xsd:attribute name="program" type="xsd:boolean"/>
      <xsd:attribute name="projectID" type="xsd:string"/>
      <xsd:attribute name="start" type="xsd:NMTOKEN"/>
      <xsd:attribute name="startImposed" type="xsd:boolean"/>
      <xsd:attribute name="status" type="xsd:integer"/>
      <xsd:attribute name="trackMode" type="xsd:integer"/>
      <xsd:attribute name="userText1" type="xsd:string"/>
      <xsd:attribute name="userText2" type="xsd:string"/>
      <xsd:attribute name="userText3" type="xsd:string"/>
      <xsd:attribute name="userText4" type="xsd:string"/>
      <xsd:attribute name="userText5" type="xsd:string"/>
      <xsd:attribute name="userText6" type="xsd:string"/>
      <xsd:attribute name="userText7" type="xsd:string"/>
      <xsd:attribute name="userText8" type="xsd:string"/>
    </xsd:complexType>
  </xsd:element>
  <xsd:element name="Baselines" xdb:defaultTable="">
    <xsd:complexType xdb:maintainDOM="false">
      <xsd:sequence>
        <xsd:element ref="Baseline" maxOccurs="unbounded"/>
      </xsd:sequence>
    </xsd:complexType>
  </xsd:element>
  <xsd:element name="Baseline" xdb:defaultTable="">
    <xsd:complexType xdb:maintainDOM="false">
      <xsd:attribute name="code" type="xsd:string"/>
      <xsd:attribute name="current" type="xsd:boolean"/>
      <xsd:attribute name="description"/>
      <xsd:attribute name="name" type="xsd:string"/>
    </xsd:complexType>
  </xsd:element>
  <xsd:element name="Resources" xdb:defaultTable="">
    <xsd:complexType xdb:maintainDOM="false">
      <xsd:sequence>
        <xsd:element ref="Resource" maxOccurs="unbounded"/>
      </xsd:sequence>
    </xsd:complexType>
  </xsd:element>
  <xsd:element name="Resource" xdb:defaultTable="">
    <xsd:complexType xdb:maintainDOM="false">
      <xsd:sequence>
        <xsd:element ref="Curve" minOccurs="0" maxOccurs="unbounded"/>
        <xsd:element ref="BaselineDetails" minOccurs="0" maxOccurs="unbounded"/>
      </xsd:sequence>
      <xsd:attribute name="availFrom" type="xsd:NMTOKEN"/>
      <xsd:attribute name="availTo" type="xsd:NMTOKEN"/>
      <xsd:attribute name="bookingStatus" type="xsd:integer"/>
      <xsd:attribute name="lastUpdatedBy" type="xsd:string"/>
      <xsd:attribute name="lastUpdatedDate" type="xsd:NMTOKEN"/>
      <xsd:attribute name="openForTimeEntry" type="xsd:boolean"/>
      <xsd:attribute name="requestStatus" type="xsd:integer"/>
      <xsd:attribute name="resourceID" type="xsd:string"/>
      <xsd:attribute name="roleID" type="xsd:string"/>
    </xsd:complexType>
  </xsd:element>
  <xsd:element name="Tasks" xdb:defaultTable="">
    <xsd:complexType xdb:maintainDOM="false">
      <xsd:sequence>
        <xsd:element ref="Task" maxOccurs="unbounded"/>
      </xsd:sequence>
    </xsd:complexType>
  </xsd:element>
  <xsd:element name="Task" xdb:defaultTable="">
    <xsd:complexType xdb:maintainDOM="false">
      <xsd:sequence>
        <xsd:element ref="Assignments" minOccurs="0"/>
        <xsd:element ref="BaselineDetails" minOccurs="0"/>
        <xsd:element ref="Constraints" minOccurs="0"/>
        <xsd:element ref="Notes" minOccurs="0"/>
      </xsd:sequence>
      <xsd:attribute name="UID"/>
      <xsd:attribute name="taskID" type="xsd:string"/>
      <xsd:attribute name="baseFinish" type="xsd:NMTOKEN"/>
      <xsd:attribute name="baseStart" type="xsd:NMTOKEN"/>
      <xsd:attribute name="baseTime" type="xsd:NMTOKEN"/>
      <xsd:attribute name="baselineDuration" type="xsd:decimal"/>
      <xsd:attribute name="category" type="xsd:string"/>
      <xsd:attribute name="critical" type="xsd:boolean"/>
      <xsd:attribute name="earlyFinish" type="xsd:NMTOKEN"/>
      <xsd:attribute name="earlyStart" type="xsd:NMTOKEN"/>
      <xsd:attribute name="finish" type="xsd:NMTOKEN"/>
      <xsd:attribute name="fixed" type="xsd:boolean"/>
      <xsd:attribute name="guidelines" type="xsd:string"/>
      <xsd:attribute name="key" type="xsd:boolean"/>
      <xsd:attribute name="lastUpdatedBy" type="xsd:string"/>
      <xsd:attribute name="lastUpdatedDate" type="xsd:NMTOKEN"/>
      <xsd:attribute name="lateFinish" type="xsd:NMTOKEN"/>
      <xsd:attribute name="lateStart" type="xsd:NMTOKEN"/>
      <xsd:attribute name="locked" type="xsd:boolean"/>
      <xsd:attribute name="methodID" type="xsd:string"/>
      <xsd:attribute name="milestone" type="xsd:boolean"/>
      <xsd:attribute name="name" type="xsd:string"/>
      <xsd:attribute name="outlineLevel" type="xsd:integer"/>
      <xsd:attribute name="percComp" type="xsd:decimal"/>
      <xsd:attribute name="priority" type="xsd:string"/>
      <xsd:attribute name="proxy" type="xsd:boolean"/>
      <xsd:attribute name="shortName" type="xsd:string"/>
      <xsd:attribute name="start" type="xsd:NMTOKEN"/>
      <xsd:attribute name="status" type="xsd:integer"/>
      <xsd:attribute name="summary" type="xsd:boolean"/>
      <xsd:attribute name="totalSlack" type="xsd:double"/>
      <xsd:attribute name="unplanned" type="xsd:boolean"/>
      <xsd:attribute name="userText1" type="xsd:string"/>
      <xsd:attribute name="userText2" type="xsd:string"/>
      <xsd:attribute name="userText3" type="xsd:string"/>
      <xsd:attribute name="userText4" type="xsd:string"/>
      <xsd:attribute name="userText5" type="xsd:string"/>
      <xsd:attribute name="userText6" type="xsd:string"/>
      <xsd:attribute name="userText7" type="xsd:string"/>
      <xsd:attribute name="userText8" type="xsd:string"/>
    </xsd:complexType>
  </xsd:element>
  <xsd:element name="Assignments" xdb:defaultTable="">
    <xsd:complexType xdb:maintainDOM="false">
      <xsd:sequence>
        <xsd:element ref="Assignment" maxOccurs="unbounded"/>
      </xsd:sequence>
    </xsd:complexType>
  </xsd:element>
  <xsd:element name="Assignment" xdb:defaultTable="">
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        <xsd:element ref="Curve" minOccurs="0" maxOccurs="unbounded"/>
        <xsd:element ref="BaselineDetails" minOccurs="0"/>
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      <xsd:attribute name="baselineWork" type="xsd:double"/>
      <xsd:attribute name="estMax" type="xsd:double"/>
      <xsd:attribute name="estPattern" type="xsd:integer"/>
      <xsd:attribute name="finish" type="xsd:NMTOKEN"/>
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      <xsd:attribute name="lastUpdatedDate" type="xsd:NMTOKEN"/>
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      <xsd:attribute name="resourceID" type="xsd:string"/>
      <xsd:attribute name="roleID" type="xsd:string"/>
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      <xsd:attribute name="unplanned" type="xsd:boolean"/>
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    <xsd:complexType xdb:maintainDOM="false">
      <xsd:sequence>
        <xsd:element ref="Constraint" maxOccurs="unbounded"/>
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  <xsd:element name="Constraint" xdb:defaultTable="">
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      <xsd:attribute name="lastUpdatedDate" type="xsd:NMTOKEN"/>
      <xsd:attribute name="time" type="xsd:NMTOKEN"/>
      <xsd:attribute name="type" type="xsd:integer"/>
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  <xsd:element name="Notes" xdb:defaultTable="">
    <xsd:complexType xdb:maintainDOM="false">
      <xsd:sequence>
        <xsd:element ref="Note" maxOccurs="unbounded"/>
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  <xsd:element name="Note" xdb:defaultTable="">
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      <xsd:attribute name="content" type="xsd:string"/>
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      <xsd:attribute name="createdDate" type="xsd:NMTOKEN"/>
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      <xsd:attribute name="lastUpdatedDate" type="xsd:NMTOKEN"/>
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      <xsd:sequence>
        <xsd:element ref="Dependency" maxOccurs="unbounded"/>
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      <xsd:attribute name="lagType" type="xsd:integer"/>
      <xsd:attribute name="lastUpdatedBy" type="xsd:string"/>
      <xsd:attribute name="lastUpdatedDate" type="xsd:NMTOKEN"/>
      <xsd:attribute name="predecessorID" type="xsd:string"/>
      <xsd:attribute name="predecessorUID"/>
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      <xsd:attribute name="successorID" type="xsd:string"/>
      <xsd:attribute name="successorUID"/>
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  </xsd:element>
  <xsd:element name="Calendar" xdb:defaultTable="">
    <xsd:complexType xdb:maintainDOM="false">
      <xsd:sequence>
        <xsd:element ref="Days" minOccurs="0"/>
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      <xsd:attribute name="baseCalendar"/>
      <xsd:attribute name="lastUpdatedBy" type="xsd:string"/>
      <xsd:attribute name="lastUpdatedDate" type="xsd:NMTOKEN"/>
      <xsd:attribute name="name"/>
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  </xsd:element>
  <xsd:element name="Days" xdb:defaultTable="">
    <xsd:complexType xdb:maintainDOM="false">
      <xsd:sequence>
        <xsd:element ref="Day" minOccurs="0" maxOccurs="unbounded"/>
      </xsd:sequence>
    </xsd:complexType>
  </xsd:element>
  <xsd:element name="Day" xdb:defaultTable="">
    <xsd:complexType xdb:maintainDOM="false">
      <xsd:sequence>
        <xsd:element ref="Shifts" minOccurs="0"/>
      </xsd:sequence>
      <xsd:attribute name="dayOfWeek" type="xsd:string"/>
      <xsd:attribute name="finish" type="xsd:NMTOKEN"/>
      <xsd:attribute name="isWorkDay" type="xsd:boolean"/>
      <xsd:attribute name="start" type="xsd:NMTOKEN"/>
    </xsd:complexType>
  </xsd:element>
  <xsd:element name="Shifts" xdb:defaultTable="">
    <xsd:complexType xdb:maintainDOM="false">
      <xsd:sequence>
        <xsd:element ref="Shift" maxOccurs="unbounded"/>
      </xsd:sequence>
    </xsd:complexType>
  </xsd:element>
  <xsd:element name="Shift" xdb:defaultTable="">
    <xsd:complexType xdb:maintainDOM="false">
      <xsd:attribute name="finish" type="xsd:NMTOKEN"/>
      <xsd:attribute name="start" type="xsd:NMTOKEN"/>
    </xsd:complexType>
  </xsd:element>
  <xsd:element name="Curve" xdb:defaultTable="">
    <xsd:complexType xdb:maintainDOM="false">
      <xsd:sequence>
        <xsd:element ref="Segments" minOccurs="0"/>
      </xsd:sequence>
      <xsd:attribute name="default" type="xsd:double"/>
      <xsd:attribute name="name" type="xsd:string"/>
      <xsd:attribute name="type" type="xsd:integer"/>
    </xsd:complexType>
  </xsd:element>
  <xsd:element name="Segments" xdb:defaultTable="">
    <xsd:complexType xdb:maintainDOM="false">
      <xsd:sequence>
        <xsd:element ref="Segment" maxOccurs="unbounded"/>
      </xsd:sequence>
    </xsd:complexType>
  </xsd:element>
  <xsd:element name="Segment" xdb:defaultTable="">
    <xsd:complexType xdb:maintainDOM="false">
      <xsd:sequence>
        <xsd:element ref="Calendar" minOccurs="0"/>
      </xsd:sequence>
      <xsd:attribute name="finish" type="xsd:NMTOKEN"/>
      <xsd:attribute name="rate" type="xsd:double"/>
      <xsd:attribute name="start" type="xsd:NMTOKEN"/>
    </xsd:complexType>
  </xsd:element>
  <xsd:element name="BaselineDetails" xdb:defaultTable="">
    <xsd:complexType xdb:maintainDOM="false">
      <xsd:sequence>
        <xsd:element ref="BaselineDetail" maxOccurs="unbounded"/>
      </xsd:sequence>
    </xsd:complexType>
  </xsd:element>
  <xsd:element name="BaselineDetail" xdb:defaultTable="">
    <xsd:complexType xdb:maintainDOM="false">
      <xsd:sequence>
        <xsd:element ref="Curve" minOccurs="0" maxOccurs="unbounded"/>
      </xsd:sequence>
      <xsd:attribute name="baselineCode" type="xsd:string"/>
      <xsd:attribute name="costSum" type="xsd:double"/>
      <xsd:attribute name="duration" type="xsd:double"/>
      <xsd:attribute name="finish" type="xsd:NMTOKEN"/>
      <xsd:attribute name="start" type="xsd:NMTOKEN"/>
      <xsd:attribute name="usageSum" type="xsd:double"/>
    </xsd:complexType>
  </xsd:element>
</xsd:schema>Then, here are the queries
C) The querie that works (in production):
SELECT t1.resourceid
FROM WORKBENCH_PROJECT_TABLE t
, xmltable( xmlNamespaces( DEFAULT 'http://www.oracle.com/xsd/projet.xsd')
       , '/WORKBENCH_PROJECT/Projects/Project/Resources/*' passing OBJECT_VALUE
                columns resourceId         varchar2(50) path '@resourceID'
                   , openForTimeEntry   varchar2(70) path '@openForTimeEntry'
                   , availFrom          varchar2(70) path '@availFrom'
                   , availTo            varchar2(70) path '@availTo'
                   , bookingStatus      varchar2(70) path '@bookingStatus'
                   , curve_xml          xmltype      path 'Curve'
) t1;D) The query with a problem ( ORA-31020, XQuery Datamodel not allowed) :
SELECT t1.resourceid
, t2.curve_name, t3.rate, t3.taux_start_date
FROM WORKBENCH_PROJECT_TABLE t
, xmltable( xmlNamespaces( DEFAULT 'http://www.oracle.com/xsd/projet.xsd')
       , '/WORKBENCH_PROJECT/Projects/Project/Resources/*' passing OBJECT_VALUE
                columns resourceId         varchar2(50) path '@resourceID'
                   , openForTimeEntry   varchar2(70) path '@openForTimeEntry'
                   , availFrom          varchar2(70) path '@availFrom'
                   , availTo            varchar2(70) path '@availTo'
                   , bookingStatus      varchar2(70) path '@bookingStatus'
                   , curve_xml          xmltype      path 'Curve'
) t1
, xmltable(xmlNamespaces( default 'http://www.oracle.com/xsd/projet.xsd')
  ,  '/Curve' passing t1.curve_xml
           columns curve_name        varchar2(20)  path '@name'
                 , segments_xml       xmltype      path 'Segments'
) t2
, xmltable( xmlNamespaces( default 'http://www.oracle.com/xsd/projet.xsd')
       , '/Segments/*' passing t2.segments_xml
                columns rate               varchar2(50) path '@rate'
                   , taux_start_date         varchar2(20) path '@start'
                   , taux_end_date           varchar2(20) path '@finish'
) t3;As I said, all works fine in production, except the new query (still in dev)
I hope that I posted enough information so that you could help us.
Thanks in advance,
Olivier

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