ALTER TABLE STOR.T_INVOICE_ITEM ALTER COLUMN "series" DROP NOT NULL;
ALTER TABLE STOR.T_INVOICE_ITEM ALTER COLUMN "totalapplicationcount" DROP NOT NULL;
ALTER TABLE STOR.T_INVOICE_ITEM ALTER COLUMN "billofgoods" DROP NOT NULL;
ALTER TABLE STOR.T_INVOICE_ITEM ALTER COLUMN "packagetype" DROP NOT NULL;
ALTER TABLE STOR.T_INVOICE_ITEM ALTER COLUMN "totalpackagetype" DROP NOT NULL;
ALTER TABLE STOR.T_INVOICE_ITEM ALTER COLUMN "suppliercontractabr" DROP NOT NULL;


