owner_column.getColumnMetaData().setLength(2);
owner_column.getColumnMetaData().setJdbcType("VARCHAR");
versionMapping = dba.getMapping(String.class, storeMgr);
Column version_column=(Column) addDatastoreField(String.class.getName(),
idFactory.newDatastoreFieldIdentifier("VERSION"), versionMapping, null);
mgr.createDatastoreMapping(versionMapping, storeMgr, version_column, String.class.getName());
version_column.getColumnMetaData().setLength(20);
version_column.getColumnMetaData().setJdbcType("VARCHAR");
interfaceNameMapping = dba.getMapping(String.class, storeMgr);