http://SERVER/sap/opu/odata/sap/SERVICE/?$metadata

<app:service xmlns:app="http://www.w3.org/2007/app" xmlns:atom="http://www.w3.org/2005/Atom" xmlns:m="http://schemas.microsoft.com/ado/2007/08/dataservices/metadata" xmlns:sap="http://www.sap.com/Protocols/SAPData" xml:lang="en" xml:base="http://SERVER:8000/sap/opu/odata/sap/SERVICE/">
<app:workspace>
<atom:title type="text">Data</atom:title>
<app:collection sap:creatable="false" sap:updatable="false" sap:deletable="false" sap:pageable="false" sap:content-version="1" href="hu_headerSet">
<atom:title type="text">hu_headerSet</atom:title>
<sap:member-title>hu_header</sap:member-title>
</app:collection>
<app:collection sap:creatable="false" sap:updatable="false" sap:deletable="false" sap:pageable="false" sap:content-version="1" href="hu_itemSet">
<atom:title type="text">hu_itemSet</atom:title>
<sap:member-title>hu_item</sap:member-title>
</app:collection>
</app:workspace>
<atom:link rel="self" href="http://SERVER:8000/sap/opu/odata/sap/SERVICE/"/>
<atom:link rel="latest-version" href="http://SERVER:8000/sap/opu/odata/sap/SERVICE/"/>
</app:service>