<query_layout><table name="ownership" x="319" y="15" width="264" height="222"/><table name="persons" x="615" y="20" width="264" height="222"/><table name="cars" x="9" y="8" width="264" height="222"/><conn mtable="persons" mfield="id" dtable="ownership" dfield="owner"/><conn mtable="cars" mfield="id" dtable="ownership" dfield="car"/></query_layout>