<changelog xmlns="http://www.codesynthesis.com/xmlns/odb/changelog" database="oracle" version="1"> <model version="2"> <table name="object"> <column name="id" type="NUMBER(10)" null="false"/> <column name="o1" type="NUMBER(10)" null="true"/> <primary-key auto="true" sequence="object_seq"> <column name="id"/> </primary-key> <foreign-key name="object_o1_fk" deferrable="DEFERRED"> <column name="o1"/> <references table="object1"> <column name="id"/> </references> </foreign-key> </table> <table name="object1"> <column name="id" type="NUMBER(10)" null="false"/> <primary-key> <column name="id"/> </primary-key> </table> </model> </changelog>