update wmsys.wm$env_vars set value = '11.2.0.1.0' where name = 'OWM_VERSION';
commit;
drop view wmsys.wm$exp_map ;
drop table wmsys.wm$exp_map_tbl ;
drop type wmsys.wm$exp_map_tab ;
drop type wmsys.wm$exp_map_type ;
delete sys.impcalloutreg$ where tag='WMSYS' ;
commit ;