diff --git a/core/trunk/core/schema/Docserver.xsd b/core/trunk/core/schema/Docserver.xsd
index b7e245ab42b5b998e410265fd920401867d864b0..b0cb4e87f44603ccd955f254a2ea57ef24d78229 100644
--- a/core/trunk/core/schema/Docserver.xsd
+++ b/core/trunk/core/schema/Docserver.xsd
@@ -4,7 +4,7 @@
   xmlns:das="maarch:DataAccessService"  
   elementFormDefault="qualified">
 
-  <xsd:include schemaLocation='core/xml/datatypes.xsd' />
+  <xsd:include schemaLocation='core/schema/datatypes.xsd' />
   <xsd:include schemaLocation='apps/maarch_entreprise/xml/datasources.xsd' />
 
   <xsd:element name='Docserver' type='Docserver' 
diff --git a/core/trunk/core/schema/datatypes.xsd b/core/trunk/core/schema/datatypes.xsd
new file mode 100644
index 0000000000000000000000000000000000000000..5d1aa696aa62c500a5017a13568e230daddd5e57
--- /dev/null
+++ b/core/trunk/core/schema/datatypes.xsd
@@ -0,0 +1,200 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<xsd:schema 
+  xmlns:xsd="http://www.w3.org/2001/XMLSchema" 
+  xmlns:das="maarch:DataAccessService" 
+  elementFormDefault="qualified"  
+  >
+<!-- ==================================================================== -->
+<!-- ====                                                            ==== -->
+<!-- ====                         DATA TYPES                         ==== -->
+<!-- ====                                                            ==== -->
+<!-- ==================================================================== -->  
+
+  <!-- ==================================================================== -->
+  <!-- ====                    CHARACTER DATA TYPES                    ==== -->
+  <!-- ==================================================================== -->
+  <!-- Character varying(10) --> 
+  <xsd:simpleType name="varchar10" das:enclosed='true'>
+    <xsd:annotation>
+      <xsd:appinfo>
+        <das:sqltype driver='postgresql'>character varying(10)</das:sqltype>
+      </xsd:appinfo>
+    </xsd:annotation>
+    <xsd:restriction base="xsd:string">
+      <xsd:maxLength value="10"/>
+    </xsd:restriction>
+  </xsd:simpleType> 
+ 
+  <!-- Character varying(20) --> 
+  <xsd:simpleType name="varchar20" das:enclosed='true'>
+    <xsd:annotation>
+      <xsd:appinfo>
+        <das:sqltype driver='postgresql'>character varying(20)</das:sqltype>
+      </xsd:appinfo>
+    </xsd:annotation>
+    <xsd:restriction base="xsd:string">
+      <xsd:maxLength value="20"/>
+    </xsd:restriction>
+  </xsd:simpleType> 
+ 
+  <!-- Character varying(32) --> 
+  <xsd:simpleType name="varchar32" das:enclosed='true'>
+    <xsd:annotation>
+      <xsd:appinfo>
+        <das:sqltype driver='postgresql'>character varying(32)</das:sqltype>
+      </xsd:appinfo>
+    </xsd:annotation>
+    <xsd:restriction base="xsd:string">
+      <xsd:maxLength value="32"/>
+    </xsd:restriction>
+  </xsd:simpleType> 
+
+  <!-- Character varying(50) --> 
+  <xsd:simpleType name="varchar50" das:enclosed='true'>
+    <xsd:annotation>
+      <xsd:appinfo>
+        <das:sqltype driver='postgresql'>character varying(50)</das:sqltype>
+      </xsd:appinfo>
+    </xsd:annotation>
+    <xsd:restriction base="xsd:string">
+      <xsd:maxLength value="50"/>
+    </xsd:restriction>
+  </xsd:simpleType> 
+  
+    <!-- Character varying(64) --> 
+  <xsd:simpleType name="varchar64" das:enclosed='true'>
+    <xsd:annotation>
+      <xsd:appinfo>
+        <das:sqltype driver='postgresql'>character varying(64)</das:sqltype>
+      </xsd:appinfo>
+    </xsd:annotation>
+    <xsd:restriction base="xsd:string">
+      <xsd:maxLength value="64"/>
+    </xsd:restriction>
+  </xsd:simpleType>
+  
+  <!-- Character varying(100) --> 
+  <xsd:simpleType name="varchar100" das:enclosed='true'>
+    <xsd:annotation>
+      <xsd:appinfo>
+        <das:sqltype driver='postgresql'>character varying(100)</das:sqltype>
+      </xsd:appinfo>
+    </xsd:annotation>
+    <xsd:restriction base="xsd:string">
+      <xsd:maxLength value="100"/>
+    </xsd:restriction>
+  </xsd:simpleType> 
+
+  <!-- Character varying(128) --> 
+  <xsd:simpleType name="varchar128" das:enclosed='true'>
+    <xsd:annotation>
+      <xsd:appinfo>
+        <das:sqltype driver='postgresql'>character varying(128)</das:sqltype>
+      </xsd:appinfo>
+    </xsd:annotation>
+    <xsd:restriction base="xsd:string">
+      <xsd:maxLength value="128"/>
+    </xsd:restriction>
+  </xsd:simpleType> 
+  
+  <!-- Character varying(255) --> 
+  <xsd:simpleType name="varchar255" das:enclosed='true'>
+    <xsd:annotation>
+      <xsd:appinfo>
+        <das:sqltype driver='postgresql'>character varying(255)</das:sqltype>
+      </xsd:appinfo>
+    </xsd:annotation>
+    <xsd:restriction base="xsd:string">
+      <xsd:maxLength value="255"/>
+    </xsd:restriction>
+  </xsd:simpleType> 
+  
+  <!-- Character text --> 
+  <xsd:simpleType name="text" das:enclosed='true'>
+    <xsd:annotation>
+      <xsd:appinfo>
+        <das:sqltype driver='postgresql'>text</das:sqltype>
+      </xsd:appinfo>
+    </xsd:annotation>
+    <xsd:restriction base="xsd:string">
+      <xsd:minLength value="0"/>
+    </xsd:restriction>
+  </xsd:simpleType> 
+  
+  <!-- Boolean -->
+  <xsd:simpleType name="boolean" das:enclosed='true'>
+    <xsd:annotation>
+      <xsd:appinfo>
+        <das:sqltype driver='postgresql'>character varying(1)</das:sqltype>
+      </xsd:appinfo>
+    </xsd:annotation>
+    <xsd:restriction base="xsd:string">
+      <xsd:enumeration value="Y"/>
+      <xsd:enumeration value="N"/>
+    </xsd:restriction>
+  </xsd:simpleType> 
+  
+  
+  <!-- ==================================================================== -->
+  <!-- ====                    NUMERIC DATA TYPES                      ==== -->
+  <!-- ==================================================================== -->  
+  <xsd:simpleType name="bigint" das:enclosed='false'>
+    <xsd:annotation>
+      <xsd:appinfo>
+        <das:sqltype driver='postgresql'>bigint</das:sqltype>
+      </xsd:appinfo>
+    </xsd:annotation>
+    <xsd:restriction base="xsd:nonNegativeInteger">
+      <xsd:minInclusive value="0"/>
+      <xsd:maxInclusive value="9223372036854775807"/>
+    </xsd:restriction>
+  </xsd:simpleType>
+  
+  <xsd:simpleType name="integer" das:enclosed='false'>
+    <xsd:annotation>
+      <xsd:appinfo>
+        <das:sqltype driver='postgresql'>integer</das:sqltype>
+      </xsd:appinfo>
+    </xsd:annotation>
+    <xsd:restriction base="xsd:nonNegativeInteger">
+      <xsd:minInclusive value="0"/>
+      <xsd:maxInclusive value="2147483648"/>
+    </xsd:restriction>
+  </xsd:simpleType> 
+  
+  <!-- ==================================================================== -->
+  <!-- ====                 DATE AND TIME DATA TYPES                   ==== -->
+  <!-- ==================================================================== -->
+  <!-- Datetime --> 
+  <xsd:simpleType name="datetime" das:enclosed='true'>
+    <xsd:annotation>
+      <xsd:appinfo>
+        <das:sqltype driver='postgresql'>timestamp</das:sqltype>
+      </xsd:appinfo>
+    </xsd:annotation>
+    <xsd:union memberTypes="xsd:date xsd:time xsd:string" das:baseType="xsd:string"/>
+  </xsd:simpleType>
+
+    <!-- Datetime --> 
+  <xsd:simpleType name="date" das:enclosed='true'>
+    <xsd:annotation>
+      <xsd:appinfo>
+        <das:sqltype driver='postgresql'>date</das:sqltype>
+      </xsd:appinfo>
+    </xsd:annotation>
+    <xsd:union memberTypes="xsd:date" das:baseType="xsd:string"/>
+  </xsd:simpleType>
+
+  <xsd:simpleType name="fingerprint" das:enclosed='true'>
+    <xsd:annotation>
+      <xsd:appinfo>
+        <das:sqltype driver='postgresql'>character varying(64)</das:sqltype>
+      </xsd:appinfo>
+    </xsd:annotation>
+    <xsd:restriction base="xsd:string">
+      <xsd:maxLength value="64"/>
+      <xsd:minLength value="1"/>
+    </xsd:restriction>
+  </xsd:simpleType>
+</xsd:schema>