alter table markupcomissao drop CONSTRAINT PK_MARKUPCOMISSAO
alter table MarkupComissao alter column markupinicial Numeric(5,2) NOT NULL 
alter table MarkupComissao alter column markupFinal Numeric(5,2) NOT NULL 
ALTER TABLE MARKUPCOMISSAO ADD CONSTRAINT PK_MARKUPCOMISSAO PRIMARY KEY (CODPRO,MARKUPINICIAL,MARKUPFINAL)