begin; alter table document_modele add md_affect varchar(3) default null; update document_modele set md_affect='ACH' where md_type=10; update document_modele set md_affect='VEN' where md_type=4; update document_modele set md_affect='GES' where md_affect is null; alter table document_modele alter md_affect set not null; update version set val=72; commit;